Do your sums with bums in this laugh-out-loud rhyming picture book for preschoolers with a cheeky twist on number learning and counting. Join the mischievous dragons hatching on the wall, then follow them around the castle and its grounds as they cause all kinds of mayhem along the way! Packed full of silly humour and lots to spot in busy scenes, this riotous rhyming story is perfect for reading aloud and sharing together. With a surprise gatefold ending, a number line to count to ten and back down again, plus a page of simple addition, early math skills have never been so much fun!