CCF Membership Library

Digital Books

Starter Access includes the complete Book Zero investigation. Student unlocks the complete algorithm book library, and CCF Pro inherits that library while extending CCF across technical domains.

The library moves from Algorithms to Systems to Enterprise Architecture — Book Five: Domain-Driven Design by Proof applies the Correct Code Framework beyond algorithmic reasoning.

Starter Access

Begin the investigation

Book Zero is locked by default and included in full with Starter Access and higher.

Student

Unlock the complete book library

Includes the complete Book Zero: The Carmen Sandiego Algorithm plus every current DSA and algorithm book.

CCF Pro

Inherit and extend

Includes the Student book library plus cross-domain reasoning systems.

Interactive Books

Your reasoning library

Requires Student

Book One: Reasoning Before Memorization

Replace pattern memorization with an evidence-first reasoning system.

About this book Student Plan
Requires Student

Book Two: Data Structures by Proof

Treat data structures as behavioral contracts that determine lawful movement.

About this book Student Plan
Requires Student

Book Three: The Secret Language of Algorithms

Learn the structural vocabulary beneath scanners, invariants, decisions, and proof.

About this book Student Plan
Requires Student

Book Four: Solving LeetCode Problems

Apply the framework repeatedly until implementation becomes lawful transcription.

About this book Student Plan
Requires Pro

Book Five: Domain-Driven Design by Proof

Applying the Correct Code Framework to Enterprise Architecture

Move beyond algorithmic reasoning into enterprise architecture. Apply CCF principles to domains, bounded contexts, entities, value objects, aggregates, repositories, services, invariants, and architectural boundaries.

About this book Pro Plan
Requires Pro

Book Six: CCF System Design

The Mental Framework for Systems

Reason about the architecture of a system before writing the code. The eleven-step CCF System Design Method — Problem Space to Proof — applied across ten System Design Case Files, from a URL shortener to a multi-tenant platform.

About this book Pro Plan