Magic Tree House Mary Pope Osborne

Lots of 16(all paperback but one is hardback)

Dinosaurs Before Dark - Book 1

The Knight at Dawn - Book 2

Mummies in the Morning - Book 3

Pirates Past Noon - Book 4(cover ripped off but all reading pages accounted for)

Night of the Ninjas - Book 5

Afternoon on the Amazon - Book 6

Sunset of the Sabertooth - Book 7

Midnight on the Moon - Book 8

Dolphins at Daybreak - Book 9

Viking Ships at Sunrise - Book 15

Tonight on the Titanic - Book 17

Buffalo Before Breakfast - Book 18

American Revolution Research Guide

Knights and Castles Research Guide

Haunted Castle on Hallows Eve - Book 30

Blizzard of the Blue Moon - Book 36(hardback with writing on page 1)

Besides what has been documented no writing in books noticed