You can also rent Jepp chart review, both the Jepp-produced and King versions, from Smartflix

Jeppesen Chart Training
King Complete Jeppesen Review

That, with the intro sections from a set of Jepps (you can get a single-issue "Airway Manual Express" coverage for about $40) and a $5 8.5"x5.5" binder from Office Depot to hold it and you've got an indispensable reference book for less than $50.