Of the three which two would you take? TRavelling and only have room for two

Special Edition Using Microsoft® Office Access 2007 (Special Edition Using) by Roger Jennings (Author)
Access 2007 VBA Bible: For Data-Centric Microsoft Office Applications (Bible) by Helen Feddema (Author)
Access 2007 VBA Programmer's Reference (Programmer to Programmer) by Teresa Hennig (Author), et al.
Zave Rudman