There are many great books on algorithms, and the best one for you may depend on your level of expertise and interests. Here are some of the most widely recognized and highly recommended books on algorithms:

1. “Introduction to Algorithms” by Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest, and Clifford Stein – This book is widely considered the “bible” of algorithms, providing a comprehensive introduction to the subject with clear explanations and examples.
2. “Algorithms” by Robert Sedgewick and Kevin Wayne – This book provides a modern and practical introduction to algorithms, with a focus on problem-solving and implementation in Java.
3. “The Algorithm Design Manual” by Steven S. Skiena – This book covers a wide range of algorithms, from classic algorithms to cutting-edge research topics, with an emphasis on practical implementation and real-world applications.
4. “Algorithms and Data Structures: The Science of Computing” by Douglas Baldwin and Greg Scragg – This book provides a thorough introduction to algorithms and data structures, with a focus on building efficient and scalable software systems.
5. “Algorithmic Puzzles” by Anany Levitin and Maria Levitin – This book provides a fun and engaging introduction to algorithms, with a focus on solving puzzles and problems through algorithmic thinking.
6. “The Art of Computer Programming” by Donald E. Knuth – This classic series of books covers a wide range of topics in computer programming and algorithms, with a focus on mathematical analysis and elegant solutions.

These books are widely regarded as some of the best resources for learning about algorithms, covering topics ranging from basic data structures to advanced optimization techniques.