A bear, befriended by two sisters during the winter, returns one day to reward them royally for their kindness.

    Why does elf + elf = fool? How many meals will Miss Mush, the lunch teacher, have to cook for the food to taste as bad as it smells? This book is packed full of brain teasers and maths puzzles and all the wacky pupils from Wayside School to help you find the logical solutions to all the problems.