The following books form part of the suggested pre-reading.

Teaching Business English, M. Ellis & C. Johnson (OUP)
How to Teach Business English, E. Frendo (Longman)
Implementing the Lexical Approach, M. Lewis (Cengage)
One to One, P. Wilberg (Cengage)
Essential Manager's Manual, R. Heller & T. Hindle (Dorling Kindersley)
The 10-Day MBA, S. Silbiger (Piatkus)