diff --git a/scripts/build_book.py b/scripts/build_book.py
index 5c1062b..4e54006 100644
--- a/scripts/build_book.py
+++ b/scripts/build_book.py
@@ -4,6 +4,7 @@
 import click
 import check_code_snippets
 import argparse
+import sys
 
 # Constants
 OUTPUT_DIR = "output"
@@ -33,31 +34,40 @@ def remove_and_create_dir(directory_path):
     os.makedirs(directory_path)
 
 
-import sys
-
-
 def run_command(command: str) -> None:
-    """Run a shell command and stream output safely."""
+    """Run a shell command, stream output live, and raise on failure.
+
+    Fixes UnicodeDecodeError by decoding with a tolerant error handler.
+    """
     click.secho(f"Running command: {command}", fg="green")
 
+    # Use the console's encoding if available; otherwise fall back to utf-8.
+    encoding = sys.stdout.encoding or "utf-8"
+
+    # Merge stderr into stdout so we stream everything and avoid stderr buffering issues.
     process = subprocess.Popen(
         command,
         shell=True,
         stdout=subprocess.PIPE,
-        stderr=subprocess.STDOUT,  # merge streams so ordering is correct
+        stderr=subprocess.STDOUT,
         text=True,
-        encoding="utf-8",
-        errors="replace",  # <-- key fix
-        bufsize=1,  # line-buffered
+        encoding=encoding,
+        errors="replace",  # or "backslashreplace" if you want to see the bytes escaped
+        bufsize=1,  # line-buffered (best effort)
+        universal_newlines=True,
     )
 
     assert process.stdout is not None
-    for line in process.stdout:
-        print(line.rstrip("\n"))
-    process.stdout.close()
+    try:
+        for line in process.stdout:
+            # Avoid .strip() eating meaningful whitespace; just drop the trailing newline.
+            print(line.rstrip("\n"))
+    finally:
+        process.stdout.close()
 
     return_code = process.wait()
     if return_code != 0:
+        click.secho(f"Command failed with exit code {return_code}: {command}", fg="red")
         raise RuntimeError(f"Command failed: {command}")
 
 
diff --git a/src/main.tex b/src/main.tex
index d8afa54..fb4bdd7 100644
--- a/src/main.tex
+++ b/src/main.tex
@@ -1,6 +1,10 @@
 \documentclass[letterpaper,11pt]{article}
 
 \usepackage[top=1in, bottom=1in, left=1in, right=1in]{geometry}
+\geometry{
+  headheight=14pt
+}
+\usepackage{microtype}
 \usepackage{subfiles}
 \usepackage[T1]{fontenc}
 \usepackage[sfdefault]{cabin}
@@ -8,7 +12,10 @@
 \usepackage{amsmath}       
 \usepackage{graphicx}
 \usepackage{float}
+\usepackage{xurl}
 \usepackage[hidelinks]{hyperref}
+\usepackage{etoolbox}
+\apptocmd{\bibsetup}{\sloppy}{}{}
 \usepackage{xcolor}
 \usepackage{titlesec}
 \usepackage{listings}