W.O.M.B.A.T. Revision Guide
Publication information
Publisher	Wizarding Examinations Authority (possibly)
Subject	W.O.M.B.A.T.s

[Source]

The W.O.M.B.A.T Revision Guide is a book. It possiby gives frequent questions and hints on how to pass the Wizards' Ordinary Magic and Basic Aptitude Tests.

Appearances

• J.K. Rowling's Official Site