Join Boy and Grandad on their thrilling expedition to return a dragon egg to its nest before it hatches! Boy and Grandad are busy in the garden when they accidentally dig up a dragon's egg. Can they brave a bubbling pool of lava, spiky stalagmites and deep, dark caves to return it to its nest in one piece? Luckily, Boy has just the plan to get it there . . .With emotive and nostalgic illustrations, this is a wonderful tale to share with the whole family and the perfect gift for a grandchild. A celebration of the power of imagination and invention, Bang! is sure to whisk readers away on an amazing underground adventure.This is the final story in Sam Usher's exciting new series that puts Boy and Grandad's skills to the test as the pair recycle and reuse everyday items to create incredible inventions and ingenious new forms of transport.Other books available in the new quartet from Sam Usher, featuring the much beloved Grandad and Boy duo: Zoom!, Clang!, Whoosh!