Dirty Bertie has his own fun-packed book of activities, chock full of entertaining stuff to do. All created by the Master of Muck himself, from ''join-the-nit'' puzzles to creepy crawly crosswords, this book is guaranteed to keep children quiet for hours ...apart from all the giggling! Contents include puzzles, word searches, word mazes, spot the differences, odd one outs, crosswords, revolting matching activities, revolting recipes, colouring, quizzes, things to make and do, Bertie's hilarious ''Top Tens'' and more!