Otto's Backwards Day: Toon Level 3Paperback, 4 September 2018

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?