Lift the flaps and learn to solve all kinds of multiplying and dividing puzzles - with toucans to feed, planets to visit and treasure to find along the way. Packed with helpful tips and tricks, plus fun puzzles and a board game.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.