Below is a list of book length publications (printed and electronic) on Wallace which have appeared during 2013, with links to more information about them, if available. This list will be updated if I come across any others during the year. Note that scholarly articles about Wallace which have been published during this period will be listed on Charles Smith's website HERE.
Benton, T. (2013). Alfred Russel Wallace: Explorer, Evolutionist, Public Intellectual - A Thinker for Our Own Times? UK: Siri Scientific Press. 224 pp. [Click HERE for more information]
Costa, J. T. (Ed.) (2013). On the Organic Law of Change: A Facsimile Edition and Annotated Transcription of Alfred Russel Wallace's Species Notebook of 1855-1859. Cambridge, Mass., USA: Harvard University Press, 640 pp. ISBN 9780674724884. [See a review HERE]
Ferreira, R. (2013). Bates, Darwin, Wallace e a Teoria da Evolução. Brazil: Companhia Editora de Pernambuco. [This book in Portuguese seems to be a reprint of a book by the same title which was originally published in 1990]
Knapp, S. (2013). Alfred Russel Wallace in the Amazon: Footsteps in the Forest. London: Natural History Museum. 184 pp. [This is a paperback version of Footsteps in the Forest: Alfred Russel Wallace in the Amazon published in 1999]
Preston, T. (Ed.). (2013). The Letter from Ternate. UK: TimPress. 94 pp. [A slightly modified version of the Forward I wrote for this book can be read HERE]
Raby, R. (2013). Alfred R. Wallace, L’explorateur de l’évolution. Paris: Les Editions de l'Evolution. 448 pp. [French translation of Raby's English language biography of Wallace]
Smith, C. H. (2013). Enquête sur un Aventurier de l'Esprit: Le Véritable Alfred Russel Wallace. Paris: Editions de l'Evolution. 299 pp.
Smith, C. H. & Derr, M. (Eds). (2013). Alfred Russel Wallace's 1886-1887 Travel Diary; The North American Lecture Tour. Manchester, UK: Siri Scientific Press. 258 pp. [Click HERE for more information. For a review (pdf file) click HERE]
Sochaczewski, P. S. (2012). An Inordinate Fondness for Beetles: Campfire Conversations with Alfred Russel Wallace on People and Nature Based on Common Travel in the Malay Archipelago. Singapore: Editions Didier Millet. 414 pp. [Yes, this wasn't published in 2013, but near enough!]
Wallace, A. R. (2013). L'Arcipelago Malese. Mimesis Edizioni. [First Italian translation of The Malay Archipelago]
Wyhe, J. van. (2013). Dispelling the Darkness; Voyage in the Malay Archipelago and the Discovery of Evolution by Wallace and Darwin. USA: World Scientific. 405 pp. [replete with misinformation - you have been warned!]
Also worth mentioning is the Chicago University Press 2013 reprint of Wallace's classic 1880 book Island Life, since it has an excellent and extensive Introduction by biogeographer Lawrence R. Heaney.