Magic Tree House books set of 10

"Magic Tree House" books of 10. 1st 10 in the series. By Mary Pope Osbourne. All in good shape. Great for beginning readers. 1. Dinosaurs Before Dark. 6. Afternoon on the Amazon. 2. The knight at Dawn. 7. Subset of the Sabertooth. 3. Mummies in the Morning. 8. Midnight on the Moon. 4. Pirates Paste Noon. 9. Dolphins at Daybreak. 5. Night of the Ninjas. 10. Ghost Town at Sundown.