"Why Didn't I Learn This in College: Teaching and Learning in the 21st Century" is a revised second edition textbook written by Paula Rutherford. It covers topics in professional development, classroom management, and teaching methods and materials. Published by Just ASK Publications in 2009, this trade paperback book weighs 1 pound and contains 322 pages. Designed for adult and further education levels, this book offers insights on effective teaching strategies in the modern educational landscape. Written in English, it serves as a valuable resource for educators looking to enhance their teaching skills and stay updated on contemporary learning theories.