By Jones, Christian
By Wendy Bourbon, Duncan Sidwell, Elaine Haviland
By Morris, Peter, Wesson, Alan
By John O. E Clark
By Martinez
By Ehrlich, Eugene
By Collins KS2
By Harrison, Brian, Peter Doughty, Geoffrey Thornton
By Schmitt, Norbert
By Manser, Martin
By Saint-Thomas, Noel
By Wyatt, Rawdon
By Lougheed
By Miquel, Claire
By Bradford, Anne R., Collins Puzzles
By Essinger, James
By Heffer, Simon
By Hall, Joan Kelly
By Sinclair, John
By Taylor, Andrew
By Proudfoot, Anna
By Kapp, Elinor
By Hollis, Maria Rosario
By Uveeler, Luba
By Wood, C.
By Keen Kite Books
By Austin, Tim
By Flower, John
By Glazier, Teresa Ferster
By Milesi, Giorgio