Are you smart enough to help Ethan, Kiran, Cassia, and Zane track down the toxic slime that's infiltrated an incredible eco dome?
This dynamic, interactive book is packed with all kinds of puzzles, including fiendish mazes, cunning logic problems, codes to crack, tricky memory challenges, and much more. On a school science trip to an eco dome filled with amazing exotic plants, the gang discover a trail of nasty toxic slime. To track...
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.