J.K.R's sense of humour The Standard Book of Spells (Grade 1) by Miranda Goshawk 

A History of Magic by Bathilda Bagshot

 Magical Theory by Adalbert Waffling

 A Beginner’s Guide to Transfiguration by Emeric Switch

 One Thousand Magical Herbs and Fungi by Phyllida Spore

 Magical Drafts and Potions by Arsenius Jigger 

Fantastic Beasts and Where to Find Them by Newt Scamander

 The Dark Forces: A Guide to Self-Protection by Quentin Trimble