Book 1 Jan and Pam Book 6 The Pit Book 11 Pals Book 16 Pals 5 Book 2 The Van Book 7 Dod and Bob Book 12 Pals 1 Book 17 Pals 6 Book 3 Rex and Tex Book 8 The Box Book 13 Pals 2 Book 18 Pals 7 Book 4 The Bed Book 9 Hun and Sum Book 14 Pals 3 Book 19 Pals 8 Book 5 Siz and Liz Book 10 The Hut Book 15 Pals 4 Reference Guide