MEMORY PALACE DEFINITIVE is for students aged 14 up and professionals who need to memorize a lot of information - based upon a most user-friendly and flexible NUMBER-LETTER CODE USABLE INDEPENDENTLY AND COMPATIBLE WITH THAT OF MEMORY MASTER DOMINIC O'BRIEN, whose books HOW TO DEVELOP A BRILLIANT MEMORY WEEK BY WEEK (my first choice of the two) or YOU CAN HAVE AN AMAZING MEMORY combined with MEMORY PALACE DEFINITIVE would cover most memory improvement...