: A self-contained introduction ideal for 3rd or 4th-year undergraduates. It covers cancer modeling, pattern formation, and population genetics. You can find it at Books A Million for about $38.00 .

: This is an excellent starting point for those who want a readable, sharp overview without needing a deep math background. It explains concepts like why football shirt patterns resemble animal markings and how cancer cells behave like invasive species. Available at retailers like World of Books for about $13.00 .

: Developed from courses at Cornell University, this Dover classic is valued for its lack of jargon and its focus on five core areas, including cell growth and biological fluid dynamics. It is widely available at stores like Barnes & Noble for approximately $25.00 .

Mathematical biology is a rapidly growing field that uses mathematical models to understand biological systems. It ranges from modeling how animal skin patterns form to predicting the spread of infectious diseases.

Here are some highly-regarded "pieces"—ranging from accessible introductions to definitive classic texts—depending on your background: Recommended Books for Beginners