'I do actually happen to know how to make tortoises grow faster, if that's really what you want.' Mr Hoppy really loves his neighbour Mrs Silver, and Mrs Silver really loves her tortoise, Alfie. Oh, if only Mr Hoppy could perform some great feat that would make him a hero in her eyes! Then one day an amazing idea rushes into his head. With the help of a magical spell, some cabbage leaves and one hundred and forty tortoises, can shy Mr Hoppy win Mrs Silver's heart?

Roald Dahl was a spy, ace fighter pilot, chocolate historian and medical inventor. He was also the author of Matilda, Charlie and the Chocolate Factory, The BFG and many more brilliant stories.

Quentin Blake has illustrated more than three hundred books and was Roald Dahl's favourite illustrator. In 1980 he won the prestigious Kate Greenaway Medal. In 1999 he became the first ever Children's Laureate and in 2013 he was knighted for services to illustration.