All 7 of the reading books:

Book 1 'ck' - Jack's visit

Book 2 'ee' - Jack and the tree elf

Book 3 'oo' - Jack's moon rocket

Book 4 'ar' - Jack on the farm

Book 5 'or' - Jack and the horse

Book 6 'sh' - Jack and the fort

Book 7 'ch' and 'th' - Jack at a party