MISSING MUMMY, THE - A to Z Mysteries 13

It's Mummy Monday at the museum, and Dink, Josh, and Ruth Rose are going to see a new Egyptian exhibit. It features a child mummy in an actual tomb! But then the mummy is stolen and the tomb robbed of its treasure. Can Dink, Josh, and Ruth Rose unravel the mystery and return the mummy to its rightful resting place?