In the tenth A to Z Mysteries Super Edition, Dink, Josh, and Ruth Rose have a sleepover . . . with a Spinosaurus

It's sleepover night at a science museum in Boston. Dink, Josh, and Ruth Rose can't wait to settle their sleeping bags near the museum's colossal fossil--a giant Spinosaurus skeleton--and tour the exhibits long after closing time. But after they fall asleep, they wake to a terrible crash Is the dinosaur fossil damaged? Or is there another big problem at the science museum?

Help Dink, Josh, and Ruth Rose solve mysteries...

Inspired by Ron Roy's A to Z Mysteries series, this bright and modern animal adventure story is perfect for budding young chapter book readers. This time, Abbi and her friends are determined to rescue a lost bat! Solve Animal Mysteries from A to Z! Abbi, Lydia, and Daniel love to watch bats flying around their neighborhood after sunset. Nature is so cool! But then they hear an unnatural sound in Abbi's home. Is it a ghost? Or something scarier? With help from her trusty dog Barkley, Abbi and her friends will shine a light on the truth! Don't miss the first book in this series: A to Z...