In the book Computer-assisted language learning: Context and conceptualization,Levy sets out in the preface to (a) “circumscribe Computer-Assisted Language Learning[CALL] for the purpose of teaching it” (p. xi), (b) build on previous workrather than being led by technological innovation, and (c) “understand better therelationship between theory and application” (p. xi). Two hundred thirty-two pages later(plus 66 pages of appendices and references), it is clear that the book delivers its promise. Theauthor bases the book on previous work and addresses a perpetual problem inCALL—reinventing the wheel. Moreover, Levy links the history of CALL with thepresent and combines a very thorough literature review with survey data about CALL materialsdevelopment.