diff --git a/pyproject.toml b/pyproject.toml
index adfd452..e5464ae 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,6 +28,7 @@ dependencies = [
     "numpy",
     "open-spiel",
     "pydantic",
+    "pydantic-settings",
     "pyvis",
     "retry",
     "tqdm",
diff --git a/strategicwm/_src/client_lib.py b/strategicwm/_src/client_lib.py
index c968231..00dbf8f 100644
--- a/strategicwm/_src/client_lib.py
+++ b/strategicwm/_src/client_lib.py
@@ -25,7 +25,11 @@
 import retry
 
 
+from strategicwm._src import config
+from strategicwm._src import logging_utils
+
 Client = genai.Client
+_LOGGER = logging_utils.get_logger(__name__)
 
 
 class LLMCall(Protocol):
@@ -88,10 +92,10 @@ def __str__(self) -> str:
 
 @retry.retry(
     exceptions=HttpErrorRetriable,
-    tries=10,
-    delay=10,
-    max_delay=60,
-    backoff=2,
+    tries=config.settings.RETRY_TRIES,
+    delay=config.settings.RETRY_DELAY,
+    max_delay=config.settings.RETRY_MAX_DELAY,
+    backoff=config.settings.RETRY_BACKOFF,
 )
 def generate_with_retry(
     client: Client, model: str, prompt_text: str
@@ -136,7 +140,7 @@ def query_llm(
       f" '{prompt_text[:50]}...' (Process ID: {os.getpid()})"
   )
   if verbose:
-    print(msg, flush=True)
+    _LOGGER.info(msg)
   if logger:
     logger.info(msg)
   try:
@@ -162,7 +166,7 @@ def query_llm(
             + f"Model response blocked. Reason: {block_reason_msg}",
         )
         if verbose:
-          print(err_msg, flush=True)
+          _LOGGER.error(err_msg)
         if logger:
           logger.error(err_msg)
         raise ValueError(err_msg)
@@ -173,7 +177,7 @@ def query_llm(
           " blocked due to safety settings."
       )
       if verbose:
-        print(err_msg, flush=True)
+        _LOGGER.error(err_msg)
       if logger:
         logger.error(err_msg)
       raise ValueError(err_msg)
@@ -184,7 +188,7 @@ def query_llm(
         f" response: {e}"
     )
     if verbose:
-      print(err_msg, flush=True)
+      _LOGGER.error(err_msg)
     if logger:
       logger.error(err_msg)
     raise ValueError(err_msg) from e
diff --git a/strategicwm/_src/config.py b/strategicwm/_src/config.py
new file mode 100644
index 0000000..6fdf56d
--- /dev/null
+++ b/strategicwm/_src/config.py
@@ -0,0 +1,34 @@
+# Copyright 2025 The strategicwm Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Configuration for strategicwm."""
+
+from pydantic_settings import BaseSettings
+
+class Settings(BaseSettings):
+  """Configuration settings for strategicwm."""
+
+  # LLM Client Retry Settings
+  RETRY_TRIES: int = 10
+  RETRY_DELAY: int = 10
+  RETRY_MAX_DELAY: int = 60
+  RETRY_BACKOFF: int = 2
+
+  # Default Model
+  DEFAULT_MODEL: str = "gemini-1.0-pro"
+
+  class Config:
+    env_prefix = "SWM_"
+
+settings = Settings()
diff --git a/strategicwm/_src/config_test.py b/strategicwm/_src/config_test.py
new file mode 100644
index 0000000..9166289
--- /dev/null
+++ b/strategicwm/_src/config_test.py
@@ -0,0 +1,43 @@
+# Copyright 2025 The strategicwm Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Tests for configuration."""
+
+import os
+from absl.testing import absltest
+from strategicwm._src import config
+
+class ConfigTest(absltest.TestCase):
+
+  def test_defaults(self):
+    # Depending on order of tests and env vars, we might not get defaults.
+    # So we manually create an instance.
+    settings = config.Settings()
+    self.assertEqual(settings.RETRY_TRIES, 10)
+    self.assertEqual(settings.DEFAULT_MODEL, "gemini-1.0-pro")
+
+  def test_env_var_override(self):
+    os.environ["SWM_RETRY_TRIES"] = "5"
+    os.environ["SWM_DEFAULT_MODEL"] = "gemini-1.5-pro"
+
+    # Reload settings or create new instance
+    settings = config.Settings()
+    self.assertEqual(settings.RETRY_TRIES, 5)
+    self.assertEqual(settings.DEFAULT_MODEL, "gemini-1.5-pro")
+
+    del os.environ["SWM_RETRY_TRIES"]
+    del os.environ["SWM_DEFAULT_MODEL"]
+
+if __name__ == "__main__":
+  absltest.main()
diff --git a/strategicwm/_src/logging_utils.py b/strategicwm/_src/logging_utils.py
new file mode 100644
index 0000000..16387c8
--- /dev/null
+++ b/strategicwm/_src/logging_utils.py
@@ -0,0 +1,50 @@
+# Copyright 2025 The strategicwm Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Logging utilities for strategicwm."""
+
+import logging
+import sys
+from typing import Optional
+
+def get_logger(name: str, level: Optional[int] = None) -> logging.Logger:
+  """Get or create a logger with standardized configuration.
+
+  Args:
+    name: The name of the logger.
+    level: Optional logging level to set for this logger.
+
+  Returns:
+    A configured logging.Logger instance.
+  """
+  logger = logging.getLogger(name)
+  if level is not None:
+    logger.setLevel(level)
+  return logger
+
+def configure_logging(
+    level: int = logging.INFO,
+    format_string: str = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
+) -> None:
+  """Configure library-wide logging settings.
+
+  Args:
+    level: The default logging level.
+    format_string: The format string for log messages.
+  """
+  logging.basicConfig(
+      level=level,
+      format=format_string,
+      handlers=[logging.StreamHandler(sys.stdout)]
+  )
diff --git a/strategicwm/_src/logging_utils_test.py b/strategicwm/_src/logging_utils_test.py
new file mode 100644
index 0000000..c70c657
--- /dev/null
+++ b/strategicwm/_src/logging_utils_test.py
@@ -0,0 +1,52 @@
+# Copyright 2025 The strategicwm Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Tests for logging utilities."""
+
+import logging
+from io import StringIO
+from absl.testing import absltest
+from strategicwm._src import logging_utils
+
+class LoggingUtilsTest(absltest.TestCase):
+
+  def setUp(self):
+    super().setUp()
+    # Reset logging configuration
+    logging.root.handlers = []
+
+  def test_get_logger(self):
+    logger = logging_utils.get_logger("test_logger")
+    self.assertIsInstance(logger, logging.Logger)
+    self.assertEqual(logger.name, "test_logger")
+
+  def test_configure_logging(self):
+    # Capture stdout
+    captured_output = StringIO()
+    root_logger = logging.getLogger()
+    root_logger.setLevel(logging.INFO)
+    handler = logging.StreamHandler(captured_output)
+    handler.setFormatter(logging.Formatter('%(levelname)s: %(message)s'))
+    root_logger.addHandler(handler)
+
+    logger = logging_utils.get_logger("test_config")
+    logger.info("Test INFO message")
+    logger.debug("Test DEBUG message")
+
+    output = captured_output.getvalue().strip()
+    self.assertIn("INFO: Test INFO message", output)
+    self.assertNotIn("DEBUG: Test DEBUG message", output)
+
+if __name__ == "__main__":
+  absltest.main()
diff --git a/strategicwm/_src/se/construction/bfs.py b/strategicwm/_src/se/construction/bfs.py
index 878315a..4739d3c 100644
--- a/strategicwm/_src/se/construction/bfs.py
+++ b/strategicwm/_src/se/construction/bfs.py
@@ -22,7 +22,10 @@
 import networkx as nx
 import numpy as np
 
+from strategicwm._src import logging_utils
 from strategicwm._src.se.construction import io
+
+_LOGGER = logging_utils.get_logger(__name__)
 from strategicwm._src.se.state import state as s
 
 import tqdm.auto as tqdm
@@ -282,7 +285,7 @@ def bfs(
       f"Starting async BFS (per child generation) with {num_workers} workers..."
   )
   if verbose:
-    print(msg, flush=True)
+    _LOGGER.info(msg)
   if logger:
     logger.info(msg)
   if params:
@@ -332,7 +335,7 @@ def bfs(
           node = future.result()
           msg = f"Adding node's children to queue: {node.history_str()}"
           if verbose:
-            print(msg, flush=True)
+            _LOGGER.info(msg)
           if logger:
             logger.info(msg)
           nodes_visited_count += 1
@@ -358,7 +361,7 @@ def bfs(
               f" generated an exception during thread execution: {exc}"
           )
           if verbose:
-            print(msg, flush=True)
+            _LOGGER.error(msg)
           if logger:
             logger.error(msg)
 
@@ -369,7 +372,7 @@ def bfs(
       f"Total nodes visited: {nodes_visited_count}."
   )
   if verbose:
-    print(msg, flush=True)
+    _LOGGER.info(msg)
   if logger:
     logger.info(msg)
   if pbar_nodes:
diff --git a/strategicwm/_src/se/construction/direct.py b/strategicwm/_src/se/construction/direct.py
index 90cf2a7..bcf0cb2 100644
--- a/strategicwm/_src/se/construction/direct.py
+++ b/strategicwm/_src/se/construction/direct.py
@@ -25,8 +25,11 @@
 import pydantic
 
 from strategicwm._src import client_lib
+from strategicwm._src import logging_utils
 from strategicwm._src.se.construction import io
 
+_LOGGER = logging_utils.get_logger(__name__)
+
 from typing_extensions import Annotated
 
 
@@ -222,9 +225,9 @@ def get_params(game_json: dict[str, Any]) -> io.GameParamsA:
       num_actions = len(game_tree_nx.nodes[node]["legal_actions_string"])
       max_num_distinct_actions = max(max_num_distinct_actions, num_actions)
   if len(players) != num_players:
-    print(
-        f"Warning! Players {players} found in game tree. Mismatch with"
-        f" {num_players} player descriptions."
+    _LOGGER.warning(
+        "Warning! Players %s found in game tree. Mismatch with %s player descriptions.",
+        players, num_players
     )
     num_players = len(players)
   params = io.GameParamsA(