Title: The Little Schemer, fourth edition / Edition 4, Author: Daniel P. Friedman
Title: The Little Typer, Author: Daniel P. Friedman
Title: Essentials of Programming Languages, third edition / Edition 3, Author: Daniel P. Friedman
Title: The Reasoned Schemer, second edition / Edition 2, Author: Daniel P. Friedman
Title: The Little Prover, Author: Daniel P. Friedman