A laugh-out-loud musical story full of hilarious word play and silliness from the author of Oi Frog!, brilliantly illustrated by Fred Blunt. Flinty Bo Diddle is writing a tune for his fiddle. All his diddles have lined up nicely - except for one who keeps going DUM, right in the middle! No matter what he tries he just can't get this diddle to diddle like it's supposed to! A story about standing out from the crowd that will have you in fits of giggles! Kes Gray is the author of the top ten bestselling series Oi Frog and Friends, which has sold 1.4 million copies to date.