Simple, transparent pricing
Buy individual books or unlock everything with All Access.
Book
AI Engineering
The complete practitioner encyclopedia
$79one-time
- 30 sections, 200+ chapters
- 3,000+ pages of depth
- Read online, PDF, EPUB
- Progress tracking & checklists
- Lifetime access & updates
Most Popular
All Access
Everything
Every book, current and future
$19/month
- All books included
- Future books at no extra cost
- Every format (web, PDF, EPUB)
- Full progress tracking
- Cancel anytime, keep access until period ends
Book
Web3 Engineering
Blockchain, smart contracts & DeFi
$79one-time
- Growing chapter library
- Blockchain to DeFi coverage
- Read online, PDF, EPUB
- Progress tracking & checklists
- Lifetime access & updates
Common questions
Can I try before I buy?
Yes. The first 3 subchapters of every book are completely free. No credit card required.
What formats are included?
Every purchase includes online reading, downloadable PDF, and EPUB for e-readers.
What if I cancel my subscription?
You keep access until the end of your billing period. No data is lost — resubscribe anytime to pick up where you left off.
Do books get updated?
Yes. AI evolves fast — all books are continuously updated. You get every update free with your purchase.