By Puzzle Wiz Kids
By Usborne Publishing
By Phillip Clarke, Pope Twins
By National Geographic Kids
By Stockley, Corinne
By Goldsmith, Peter L.
By Activity Books, Play & Learn
By Moore, Gareth
By Wood, Denise, etc.
By Hutchinson, Mike
By Sukach, Jim
By Silly Sloth Press
By Armstrong, Jane
By Regan, Lisa, Scott, Matthew
By Price, Roger, Stern, Leonard
By Paul Adshead, Adshead, Paul
By Khan, Sarah
By Saunders, Eric, Scott, Matthew
By Moore, Gareth, Bradley, Jess
By Creative Kids Studio
By MacIntyre, Mickey
By Not Available
By Riddleland
By King, Zoubir
By Beal, George, Stevenson, P.
By Tori Kosara
By Clive Gifford, Richard Watson (Illustrator), Julian Mosedale