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Curated, open-access textbooks you can download free. Prefer my annotated notes? Use the “Buy Notes” buttons.

English Writing Skills Resource

Academic Writing Skills

Building Academic Writing Skills

A structured, open-access PDF for developing academic writing, paragraph structure, editing, and grammar — perfect for college-level learners and NYSC corps members.

Download Free PDF

About Writing: A Guide (Revised)

College composition, research, citation (MLA/APA), and grammar support.

Precalculus grid and graphs

Precalculus (OpenStax)

Trigonometry, analytic geometry, and advanced functions to prep for calculus.

Digital media icons and culture

Media, Society, Culture & You

Mass communication, media literacy, digital culture — perfect for content creators.

Professional communication and careers

Business Communication for Success

CVs, cover letters, presentations, workplace writing & communication.

Philosophy and critical thinking

Introduction to Philosophy (OpenStax)

Logic, metaphysics, epistemology, ethics — sharpen thinking across fields.

Logic and reasoning diagrams

Intro to Philosophy: Logic (Rebus)

Arguments, fallacies, validity, soundness — essential for debate & essays.

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