Trading
The $2,000 Trader Stock Trading Journal
A Trade Log for Stocks, ETFs, Swing Trading and Day Trading — 150 Log Pages
Sonny G. Sterling
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The $2,000 Trader
How to Start Day Trading With a Small Account in the New Era of Investing
Sonny G. Sterling
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The $2,000 Trader
The rule that locked out small accounts is gone. Here is what changed on April 14, 2026, and exactly how to trade under it.
Programming
Python Code Logic Puzzle Book — Advanced
120 Challenges to Sharpen Your Reading of Real Python — Output Prediction, Bug Detection & Logic Tracing
Sonny G. Sterling
Programming
Python Code Logic Puzzle Book — Advanced
Train your mind to read Python the way the interpreter does — 120 puzzles across mutability, closures, comprehensions, and the gotchas that catch experienced programmers.
Git
Git Logic Puzzles: Predict the Output
120 Challenges to Sharpen Your Reading of Real Repositories
Sonny G. Sterling
Version Control
Git Logic Puzzles: Predict the Output
You can run a Git command. Can you say what it will print before you press enter? 120 challenges in reading Git accurately.
Git
Git Logic Puzzles: Debug and Recover
120 Git Debugging Challenges — What Broke, and What Can Still Be Recovered
Sonny G. Sterling
Version Control
Git Logic Puzzles: Debug and Recover
A command ran, something went wrong — work out which command did it and whether anything can still be recovered. Sometimes the honest answer is no.