the afe simplifier is not bad - a new edition is currently in print and should be out soon - i'm waiting for that one still (i've done air law already whilst waiting, but the test exams were taken from the previous edition of the book).
The pooleys books also have example questions in them.
i've not seen the confuser as it is out of print. there is a 2007 edition on ebay at the moment though.
The PPL Confuser JAA Version 8th Edition on eBay (end time 02-May-10 19:08:19 BST)
Andoni