wrote the book on
Knows nearly everything about, as in Ask Dr. Lock; he wrote the book on pediatric cardiology, or I wrote the book on job-hunting; I've been looking for two years. This expression is always put in the past tense. [Colloquial; second half of 1900s]
Who Wrote The Alphabet Song?Whether you learned your ABCs while hanging out with the gang from Sesame Street, from someone in your family, or you were schooled in everything from A to Z in kindergarten, you probably learned the alphabet with the help of the alphabet song ...
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.