Michael Holt
100 works on record
Works

All round English

Doctor Who Quiz Book of Magic
Crisis in space

Maps, Tracks, and the Bridges of Konigsberg

Doctor Who: Crisis In Space

Let's play math

Math puzzles and games, volumes I & II
Amazing Invisible Ink Puzzle Books

All Around English

Science happenings

Figure it out
Count to Five
Count to Three
Numbers 1, 2, 3
Colors
Who Goes Where?
Sizes
How Many? (One to Five)
Shapes
Doctor Who Puzzle Book

The riddle of the sphinx

3 x 3= 9?
Sword of the Spirit

All round English
Third Big Book of Puzzles
Scrapbook of World War 2 Warplanes

An Introduction to English History
First Learning I
All Round English
Fractions
Figure It Out
All Round English
All Round English
Now I Can Count to 7
Count to 10
Add
Adding and Taking Away
Round-Up
Write
Multiplying
Colours
Take-Away
Sizes
Maths
Great Spy Race
Now I Can Count to 10
Numbers 1,2,3
Tell Shapes and the Time
Count to 3

More Monkey Puzzles
Count to 5
Mathematics in Art
Getting on with Mathematics
Understanding the National Electrical Code
Tone Poem of Stones
Kingdom at Hand
Seaside Hotel
Rhodesian Bush War
Denizen
From Poverty to ... Not

More math puzzles and games
Mathematics in art
Swings, Tops and Things (Ready for Science)
Doctor Who Book of Space
Doctor Who Quiz Book of Dinosaurs

Let's play math
White Light and Rainbows (Ready for Science)
Mirror, Mirror (Ready for Science)
What is the new maths?
Amazing Invisible Ink Puzzle Books
Matching and Sorting (First Learning III)

Electrician's Exam Preparation
Mathematics through experience

Maps, tracks, and the bridges of Königsberg

Costume and make-up

Math puzzles and games

Answer Me This!
Doctor Who Quiz Book of Science
CRISIS IN SPACE #2 (Dr. Who-Find Your Fate, No 2)

Decimals
Multiplying And Dividing

Figure It Out 3
Mathsworks, book 1

Mathematics in a changing world
Who Goes Where? (Match Them)
Maths 1
Water, Water (Ready for Science)

Costume and Makeup (Phaidon Theater Manuals)
Maths Exam Workbook

Stage design and properties
Basic arithmetic puzzles
Monkey Puzzles
Let's play maths
Electric Wonders (Ready for Science)
Electrical Wiring
How Many? (Match Them)

The big book of puzzles

Alan Ayckbourn

Matematicas Recreativas 2
Fun with Numbers