Sandler, C. and Keefe, J. 1001 business letters for all occasions : from interoffice memos and employee evaluations to company policies and business invitations : templates for every situation. Avon, Mass. : Adams Media, 2008. "We live in a world of instant communication. However, business often requires that we put our words in writing. Whether readers communicate by letter, e-mail, or text message, it is important to choose their words carefully and express themselves cle.