n the classic tradition of Paddington comes this wonderfully witty, heartwarmingly humorous madcap adventure series for reading aloud or reading alone. Quirky illustrations perfectly capture the mood of the stories and the endearing, eccentric, and unforgettable characters. Imogen and Arthur have been missing their penguin friend, Einstein, ever since he went back to Australia. So when an opportunity for him to return arises, they jump at the chance. But when Einstein and his friend Isaac end up kidnapped, it's time to turn detective again ... Paperback book. 240 Pages. Ages 7 years and up.