The Handy Biology Answer Book
Patricia Barnes-Svarney & Thomas E. Svarney
The Handy Supreme Court Answer Book
David L. Hudson, Jr., JD
The Handy Engineering Answer Book
DeLean Tolbert Smith Ph.D., Aishwary Pawar, Nicole P. Pitterson Ph.D. & Debra-Ann C. Butler Ph.D.
The Handy Armed Forces Answer Book
Richard Estep
The Handy History Answer Book
Stephen A. Werner Ph.D.
The Handy Physics Answer Book
Charles Liu, PhD
The Handy Science Answer Book
James Bobick & Naomi E. Balaban
The Handy Accounting Answer Book
Amber K. Gray Ph.D.
The Handy Wisconsin Answer Book
Terri Schlichenmeyer & Mark Meier
The Handy Christianity Answer Book
Stephen A. Werner Ph.D.