Publishers Weekly
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The latest novel from Horn (All Other Nights) is actually several books in one. One strand, a historical narrative set in 1896, depicts Cambridge professor Solomon Schechter's discovery of the Cairo Genizah, a repository of thousands of documents in an old Egyptian synagogue; while another, set in 1171, recounts how the medieval Jewish philosopher Maimonides wrote The Guide for the Perplexed, a book attempting to reconcile divine providence and free will, after the drowning death of his brother David. Lastly, the novel explores sibling rivalry, taking the biblical tale of Joseph and his brothers as a foundational case study. Josephine "Josie" Ashkenazi-the inventor of Genizah, a software program that comprehensively archives moments from its users' lives-is encouraged by her envious sister Judith to accept a consultant position at the Library of Alexandria. Soon after Josie arrives in post-Arab Spring Egypt, however, she is kidnapped. When a video appears online of Josie being hanged, Judith moves in with her sister's family, sleeping with her brother-in-law and caring for her six-year-old niece. If this sounds melodramatic, that's because it is. Worse yet, there is something profoundly unlikable about all the characters involved. Still, Horn raises intriguing questions-including some of the eternal variety and others very much of this moment. Agent: Gary Morris, David Black Agency. (Sept.) (c) Copyright PWxyz, LLC. All rights reserved.

Kirkus
Copyright © Kirkus Reviews, used with permission.

Horn (All Other Nights, 2009, etc.) is nothing if not ambitious in concocting this stew of Middle East politics, computer sci-fi, Jewish philosophy and romantic melodrama about a Jewish techno-entrepreneur taken hostage in post-Mubarak Egypt. The wonderful title comes from the 11th-century work by Maimonides rediscovered in the 1890s by Solomon Schechter of Cambridge University, who found pages of Maimonides' writing in an Egyptian synagogue storeroom called a genizah. Interwoven with a less than effective re-telling of Maimonides and Schechter's history, Horn's present-day fiction concerns the beautiful if geeky genius Josie, who borders on autistic in her lack of empathy for others. California-based Josie has invented a software program, not coincidentally called Genizah, which tracks and stores the moments a person is experiencing in order to turn them into a full memory of her/his life. Her company is thriving, and Josie is happily married to handsome Israeli Itamar. She chooses to ignore her 6-year-old daughter Tali's worrisome emotional quirks, perhaps because her own childhood memories include being an outcast among her doltish peers, including her older sister Judith. Judith's memories differ from Josie's--she is haunted by her mother's favoritism toward Josie and her inescapable role as the lesser sister. Employed by Josie's company, she is lonely and jealous that everything comes so easily to Josie. Then Josie is kidnapped while consulting with the Library of Alexandria in Egypt. Believing Josie has been killed, Itamar and Tali depend increasingly on Judith, who blossoms into the loving person she always wanted to be. But Josie is not dead. She is busy creating a genizah so her Egyptian captor can recreate the life of his dead son. The philosophical questions raised are intriguing, if faddish: Is God omniscient? What is memory, and can it be trusted? What is the relationship between past and present? What is time dilation? The psychological plot concerning the characters is less captivating, although Judith is a standout. A work marked by brilliant conceits and clever plotting.]] Copyright Kirkus Reviews, used with permission.

Book list
From Booklist, Copyright © American Library Association. Used with permission.

*Starred Review* Horn follows All Other Nights (2009), about Jewish Americans in the Civil War, with another richly textured blend of history, psychology, religion, and human emotion. Josie Ashkenazi is a brilliant software designer who has created a program that allows its users to record every element of their lives and, thus, to keep the past alive, at least digitally. Her software is called Genizah, after the Cairo Genizah, a repository of ancient Hebrew manuscripts kept in storage for centuries because Jewish law forbids throwing away anything inscribed with the name of God. The Cairo Genizah was discovered in 1896 by Solomon Schechter, whose story is told in alternating chapters with the modern-day account of Josie's capture by Islamic terrorists in Egypt. But the layers don't stop there. Josie's story, including the role of her jealous sister, Judith, parallels the biblical account of Joseph, and interwoven through all these thematic and narrative structures is Maimonides' A Guide for the Perplexed, a twelfth-century philosophical treatise that has influenced religious scholars for nearly 1,000 years. Yes, the novel is as intricately constructed as Joseph's coat of many colors, and, yes, it echoes the thematic density of the philosophical work after which it is named, but beneath all that beats the living heart of a very human drama, one that will have readers both caught up in the suspense and moved by the tragic dimensions of the unresolved dilemma at the core of the story. Should we be compelled, as both Schechter and Josie are, to help rescue the vertiginous bottomless pit of forgotten lives trapped in the past, or must we face the realization that the act of reliving the past could consume the future ?--Ott, Bill Copyright 2010 Booklist

Library Journal
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Horn's latest after The World To Come is part thriller and part philosophical rumination on family and memory. Josie and Judith Ashkenazi have a long history of sibling rivalry that has intensified over the seven years Judith has worked for her younger sister. Josie's company produces Genizah, a Facebook-like digital archive that catalogs life in real time via cell phones, computers, cameras, and other personal technology. While working in Egypt as a software consultant for the Library of Alexandria, Josie is kidnapped. As the family deals with the aftermath of the kidnapping, the narrative travels back in time to Solomon Schecter's expedition to Egypt to investigate the Cairo Genizah. This enormous and unsorted archive was filled with both religious and secular documents dating back as early as 870 CE. Both the real and fictional genizahs raise questions throughout the novel about how and why we choose what to remember or forget. VERDICT Readers will be taken in by this literary thriller's fast-paced plot and complicated but well-imaged characters. Recommendations for readers interested in learning more about the Cairo Genizah include Adina Hoffman and Peter Cole's Sacred Trash: The Lost and Found World of the Cairo Genizah or Mark S. Glickman's Sacred Treasure: The Cairo Genizah; The Amazing Discoveries of Forgotten Jewish History in an Egyptian Synagogue Attic. [See Prepub Alert, 3/18/13.]-Pamela Mann, St. Mary's Coll. Lib., MD (c) Copyright 2013. Library Journals LLC, a wholly owned subsidiary of Media Source, Inc. No redistribution permitted.