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 from A to Z! From The Absent Author to The Zombie Zone, there's a mystery for every letter of the alphabet, plus ten super editions with even more A to Z fun. And don't miss Ron Roy's series for younger readers, Calendar Mysteries!

Solve Animal Mysteries from A to Z! Inspired by Ron Roy's A to Z Mysteries series, this exciting animal adventure mystery is perfect for budding young chapter book readers. This time, 8-year-old Abbi and her friends solve a mystery with the help of dolphins! It's the weekend -- a perfect day for a sail off the coast of Maine. But there's something fishy going on with the local dolphins and Abbi, Lydia, and Daniel are determined to find out why. Are the dolphins twisting, leaping, and whistling because they're playing? Or is it a warning of nearby danger? And if it's danger, how can the kids get grownups to believe them? Abbi and her friends are diving head first into this mystery! Don't miss the first books in the A to Z Animal Mysteries series: #1: The Absent Alpacas #2: Bats in the Castle #3: Cougar Clues Ready for more? Check out the original A to Z Mysteries series by Ron Roy!

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 from A to Z! From The Absent Author to The Zombie Zone, there's a mystery for every letter of the alphabet, plus ten super editions with even more A to Z fun. And don't miss Ron Roy's series for younger readers, Calendar Mysteries!

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

"Dink, Josh, and Ruth Rose solve a mystery at the Museum of Science"--

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