Despite its title, this volume should be of particular interest not only to those researching multilingualism, but also to all those working on second language acquisition and bilingualism, as De Angelis provides abundant evidence illustrating the existing differences between L2 and multilingual acquisition. Her re-examination of previous research studies provides a great deal of food for thought and also shows that much road has yet to be paved. Thus, not only researchers but also students will find the author’s statements challenging and capable of stimulating debate, which makes its reading a must for all those interested in language acquisition.