David A. Stewart: Sign Language Interpreting: Exploring Its Art and Science, Second Edition
Publisher: Allyn & Bacon; 2 edition (September 26, 2003) Cost: ~$74.00 for used copy
Charlotte Baker-Shenk: American Sign Language Green Books, A Teacher's Resource Text on Grammar and Culture (American Sign Language Series)
Publisher: Gallaudet University Press (April 1, 1991) Cost: ~$40.00 for new paperback copy It seems that it has some positive review. I may get a copy of this book.
Nancy J. Frishberg: Interpreting: An Introduction
Publisher: Registry of Interpreters for the Deaf, Incorp; Revised edition (July 1990) Cost: ~$19.00 for used copy I borrowed a copy of this book from my interpreter-friend.