Isaac the lovable hedgehog isnt sleepy. In fact hes quite the opposite – hes wide awake and wants to play. However autumn is coming and all his little friends want to go into hibernation. They are so sleepy and struggling to keep their eyes open! Isaac tries to call on everyone he knows but the only person who will play with him is an invisible friend. Will the games with his friend be enough to tire him out for a long long sleep?From the author of The Very Helpful Hedgehog.