Ottos Backwards Day

"Someone stole Otto's birthday! When Otto and his robot sidekick, Toot, follow the crook, they discover a topsy-turvy world where rats chase cats and people wear underpants over their clothes. To get his presents back, Otto needs to solve a slew of backwards puzzles - but his greatest challenge comes at the journey's very end. On this special day, will Otto discover something even better than cake or gifts? A TOON Level 3 Reader book."