An excellent guide for learning the basics of data structures and algorithms with simple explanations and useful examples.
-- Pintu Kumar
Research Scholar,
IEOR, IIT Bombay
Packed with clear explanations of essential DSA concepts, this book is a must-have for anyone serious about mastering data structures and algorithms in Python.
-- Karthik Chandrakant
AI Leader; Head of Data Science & AI at Imarticus Learning; Ex-Amazon, Mu Sigma; TEDx Speaker, Author
Data Structures and Algorithms Essentials You Always Wanted to Know provides a clear, structured, and beginner-friendly introduction to core data structures and algorithms using Python. Each chapter balances theory, practical applications, and quizzes that reinforce learning, making it ideal for self-learners and early computer science and data science students. The inclusion of real-world examples, such as caching and file systems, helps bridge the gap between abstract concepts and hands-on coding. Since I opened the book, I couldn't close it. If you want to learn data structures concepts, this is the learning material for you.
-- Dr. Lawrence Decamora
Computer Science Instructor,
University of Santo Thomas
The book delivers a strong educational experience characterized by clarity, accuracy, and pedagogical effectiveness. It excels at introducing foundational computer science concepts to beginners while maintaining practical relevance through real world coding examples.
-- Aldo Baca
Senior Machine Learning Scientist
Shawn Peters’ book does a great job of explaining how data structures and algorithms are used with real life examples, making complex ideas easy to grasp. I especially loved the way he uses pie baking as a fun illustration—it turns a tricky concept into something clear and relatable. The language is simple, avoiding jargon, and the illustrations really help make the ideas stick. It’s inspiring to see how these skills can be applied in professional settings, linking everyday understanding to real-world problem-solving. Overall, it’s an engaging and practical read that makes learning data structure and algorithms both accessible and relevant to everyday and professional life.
-- Loo Yee NG
Solutions Architect, CTMG
Shawn Peters has created an excellent guide for anyone studying computer science or data science, whether at school, university, or learning independently. This book offers a comprehensive and accessible introduction to essential topics like data structures, arrays, Big O notation, stacks, queues, linked lists, hash tables, trees, graphs, and dynamic programming. With clear explanations, practical Python and pseudocode examples, and real-world applications, it’s a valuable resource for learners preparing for exams, interviews, or building a strong foundation in coding. A smart, well-structured read for students and aspiring developers alike.
-- Jonathan Gillespie
Computer Science & Business Teach