The books
Three languages, five depths each. Start free, then go as deep as you want.
JavaScript
Complete JavaScript bundle
Save 30%
Every paid edition in one buy. One Week, One Month, Three Months and Staff.
- JavaScript in Three Days Free sprint · 24 pp
Free crash sprint through the core of JavaScript in three short days. FREE Get it free →
- JavaScript in One Week One week · 32 pp
A week of hand drawn notes to get you fluent in everyday JavaScript. $1 .89 View →
- JavaScript in One Month One month · 40 pp
Four focused weeks that take you to solid, working JavaScript. $2 .89 View →
- JavaScript in Three Months Three months · 96 pp
The deep dive. Internals, the event loop, real exercises, and a capstone. $3 .89 View →
- JavaScript for Staff Engineers Staff level · 220 pp
The JavaScript judgement that senior and staff roles actually pay for. $4 .89 View →
Java
Complete Java bundle
Save 30%
Every paid edition in one buy. One Week, One Month, Three Months and Staff.
- Java in Three Days Free sprint · 24 pp
Free crash sprint through the core of Java in three short days. FREE Get it free →
- Java in One Week One week · 34 pp
A week of hand drawn notes to get you writing real Java quickly. $1 .89 View →
- Java in One Month One month · 44 pp
Four focused weeks that take you to solid, confident Java. $2 .89 View →
- Java in Three Months Three months · 104 pp
The deep dive. Internals, real exercises, and a capstone to master Java. $3 .89 View →
- Java for Staff Engineers Staff level · 240 pp
The Java that senior and staff engineers are actually paid for. $4 .89 View →
Python
Complete Python bundle
Save 30%
Every paid edition in one buy. One Week, One Month, Three Months and Staff.
- Python in Three Days Free sprint · 24 pp
Free crash sprint through the core of Python in three short days. FREE Get it free →
- Python in One Week One week · 28 pp
A week of hand drawn notes to start writing real Python. $1 .89 View →
- Python in One Month One month · 42 pp
Four focused weeks that take you to solid, dependable Python. $2 .89 View →
- Python in Three Months Three months · 100 pp
The deep dive. Internals, real exercises, and a capstone to master Python. $3 .89 View →
- Python for Staff Engineers Staff level · 250 pp
The Python that senior and staff engineers lean on every day. $4 .89 View →