Rupert and his pals are looking forward to a birthday picnic for Podgy Pig on Nutwood Common, but they reckon without Podgy's cousin, Rosalie. Her tricks lead Rupert through all sorts of exciting adventures underground with the imps of Spring, and eventually to a better birthday treat than Podgy ever expected...

(Key Words: Children's Stories, Birthdays, Bears, England, John Harrold).