The great ice engine /

When Kristoff and the ice harvesters challenge Oaken and his new invention to a friendly contest, Oaken, Elsa, and Anna becomes embroil in a mystery involving a missing ice harvesting machine.

Main Author: David, Erica,
Other Authors: Robinson, Bill, Razzi, Manuela,, Legramandi, Francesco,, Matta, Gabriella,
Format: Book
Published: New York : Random House, [2015]
Physical Description: 123 pages : illustrations ; 21 cm.
Series: David, Erica. Anna & Elsa ; 04.