This volume on second language learning contains the following eleven articles: "The Contrastive Analysis Hypothesis," by Ronald Wardhaugh, "Students' Errors and the Learning of French as a Second Language," by Magdelhayne F. Buteau, "Error Analysis and Second Language Strategies," by Jack C. Richards, "Induced Errors," by Nancy Stenson, "Global and Local Mistakes," by Marina K. Burt and Carol Kiparsky, "Imitation and Correction in Foreign Language Learning," by Freda Holley and Janet K. King, "The Significance of Learner's Errors," by S. P. Corder, "Idiosyncratic Dialects and Error Analysis," by S. P. Corder, "Interlanguage," by Larry Selinker, "Implications of Pidginization and Creolization for the Study of Adult Second Language Acquisition," by John H. Schumann, "The Development of Wh-Questions in First and Second Language Learners," by Roar Ravem. (CLK)