(This is just a note for myself
while doing Tarquin)
v_vixen_v has read:

Yakubi Book
Witch Tales
Tarquin Book
Huthiq Book
Flaming Book
Encyclopedia X
Encyclopedia M
Encyclopedia J
Encyclopedia I
Encyclopedia G
Encyclopedia F
Encyclopedia E
Encyclopedia B
Earth Spell Book
Eleka Tombola Book
Candyland Book

GrintGlow has read

Encyclopedia C
Eleka Tombola Book
A-Z of Undying Woods

Kandale has read:

Balloon Collecting Guide