Magic Tree House book bundle includes six paperbacks from the beloved series by Mary Pope Osborne. This lot features titles #3 Mummies in the Morning, #5 Night of the Ninjas, #9 Dolphins at Daybreak, #11 Lions at Lunchtime, #12 Polar Bears Past Bedtime, and #16 Hour of the Olympics. These early chapter books follow siblings Jack and Annie on time-traveling adventures, making them perfect for young readers transitioning into longer stories. The books show some wear consistent with careful reading, including minor edge wear and some library-style stickers on the covers.