books by subject
Brain Teaser Games
The Catholic Quiz Book
Chemistry: National Curriculum Science Puzzle Aid: Materials and Their Properties
Amazing Logic Puzzles
Big Book of Crosswords
The QI Annual 2008
Pub Quiz (Trivia S.)
Music Quiz (Trivia S.)
Football Quiz (Trivia S.)
Ripley’s Believe It or Not! 2021
Mensa Puzzle Challenge for Kids
Doctor Who: Who-ology: Doctor Who the Official Miscellany
Mastermind Winners
Conundrums for the Khazi (Bathroom Books)
[(1,411 QI Facts to Knock You Sideways)] [ By (author) John Lloyd, By (author) John Mitchinson, By (author) James Harkin ] [October, 2014]
The Coronation Street Quiz Book
"Times" Quiz of the Year 1990
52 Things to Do While You Poo: Puzzles, Activities and Trivia to Keep You Occupied
Effective Fortran 77
"Empire" Quiz Book (Puzzle Books)
Pentagames
Brain-training Puzzles: Intermediate Book 1 (Brain Training Puzzles)
The Best Pub Quiz Book Ever! 2
Close-up Puzzles: Optically Confusing Photographs
QI: The Second Book of General Ignorance
I Wandered Lonely as a Cloud...: and other poems you half-remember from school (I Used to Know That ...)
The Sun Doku: 125 puzzles from Teaser to Terminator (The Sun Puzzle Books)
The Guinness Book of Air Force Blunders (Series in Robotics & Intelligent Systems)
Day of the Match: A History of Football in 365 Days
QI Annual 2011