CAUTION: The Sender of this email is not from within Dalhousie. This book has been published: M. Grandis Category Theory and Applications: A textbook for beginners, Second Edition World Scientific Publishing Co., 2021. xi + 377 pp. - Info at WS: https://www.worldscientific.com/worldscibooks/10.1142/12253 - Introduction: https://www.worldscientific.com/doi/epdf/10.1142/9789811236099_0001 ________ Reviews of the first edition: - Mathematical Reviews (by David B. Holgate) https://mathscinet.ams.org/mathscinet-getitem?mr=3753691 - MAA Reviews (by Michael Berg) https://www.maa.org/press/maa-reviews/category-theory-and-applications-a-tex... ________ In this second edition, the book has been entirely reviewed, adding many applications and exercises. All non-obvious exercises have now a solution (or a reference, in the case of an advanced topic); solutions are now collected in the last chapter. Marco Grandis [For admin and other information see: http://www.mta.ca/~cat-dist/ ]