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CS Concepts Made Simple eBook Series

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  • Recursion Unlocked

    CS Concepts Made Simple, #1

    by M.Aarohi ...
    Series Book 1 - CS Concepts Made Simple
    Recursion scares people before they even understand it. Recursion Unlocked breaks it down with plain-English stories, visual diagrams, and real code — no intimidating math. You'll learn what recursion actually is, how to trace a recursive call step by step, the difference between recursion and iteration, classic problems (factorial, Fibonacci, tree traversal) explained visually, common mistakes ... Read more

    $9.00 USD or Free with Kobo Plus

  • Big-O & Time Complexity, Made Simple

    CS Concepts Made Simple, #3

    by M.Aarohi ...
    Series Book 3 - CS Concepts Made Simple
    Why does one piece of code fly through a million items while another crawls to a halt? Big-O & Time Complexity, Made Simple shows you why, using stories, visual diagrams, and real code side-by-sides — zero intimidating math. You'll learn what Big-O measures, the difference between O(1), O(log n), O(n), O(n log n), O(n²) and O(2ⁿ) shown visually, how to eyeball the complexity of your own code, ... Read more

    $10.00 USD or Free with Kobo Plus

  • Linked Lists, Stacks & Queues in Pictures

    CS Concepts Made Simple, #4

    by M.Aarohi ...
    Series Book 4 - CS Concepts Made Simple
    Linked lists, stacks, and queues sound abstract until you see them as what they really are: a chain of train cars, a stack of plates, a line at a shop. This book turns these foundational data structures into visuals you'll never forget. You'll learn how each structure stores and moves data, core operations (push/pop, enqueue/dequeue, traversal) with their real costs, classic interview problems ... Read more

    $10.00 USD or Free with Kobo Plus

  • SQL Joins

    CS Concepts Made Simple, #5

    by M.Aarohi ...
    Series Book 5 - CS Concepts Made Simple
    SQL joins trip up even experienced developers under pressure. This book fixes that with visual diagrams and real table examples — restaurants, orders, customers — instead of abstract syntax. You'll learn INNER, LEFT, RIGHT, FULL, and CROSS joins and exactly when to use each, common mistakes (duplicate rows, NULL traps), a "Spot the Concept" section with real business scenarios, and practice ... Read more

    $10.00 USD or Free with Kobo Plus

  • Pointers & Memory, Made Simple

    CS Concepts Made Simple, #2

    by M.Aarohi ...
    Series Book 2 - CS Concepts Made Simple
    Where does a variable actually live? Where Does It Live? finally makes pointers and memory click using simple stories, visual diagrams, and real C/C++ code. You'll learn what a pointer really is, how memory is organized (stack vs. heap), pointer arithmetic and dereferencing demystified, common pointer bugs (dangling pointers, memory leaks, segfaults) and how to avoid them, a "Spot the Concept" ... Read more

    $7.00 USD or Free with Kobo Plus