Book Reviews: The handbook of implicit learning. Michael A. Stadler and Peter A. Frensch (Eds.). Sage Publications, Thousand Oaks, CA, 1998. No. of pages 636. ISBN 0‐7619‐0197‐3. Price $89.95 (hardback) and How implicit is implicit learning? Dianne C. Berry (Ed.). Oxford University Press, New York, 1997. No. of pages 245. ISBN 0‐19‐85252‐1. Price $85.00 (hardback)