By Jacob Field, Simon Basher
By Vanessa Estrada Marin (Vanessa Estrada Marin), Alisa Harris (Alisa Harris), Frolic
By Sandra Lawrence (Author), Nathan Collins
By Alex Frith, Minna Lacey, Matthew Oldham, Jonathan Melmoth, Federico Mariani
By Terry Deary, Martin Brown
By National Geographic Kids
By DK
By Owen Davey
By Tony Mitton, Tim Beer
By David Taylor
By Alex Irvine, Matthew K. Manning, Stephen Wiacek
By Andrew Phillips
By Percy Harrison
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By E.M.C. Barraclough, W.G. Crampton, EDITED BY E.M.C. BARRACLOUGH AND W.G. CRAMPTON, E. M. C. Barraclough