The following review is based on a complimentary ARC provided by Atria Books via Netgalley in exchange for an honest review. Winston Churchill wrote that history is written by the victors but in Hayley Gelfuso’s debut novel The Book of Lost Hours, it’s not about who writes history but who can access and manipulate it. A cavernous sprawling expanse filled with shelves of books, the Time Space is a place entirely removed from linear time as we know it, full of history and people’s memories stored as books. Referred to as Timekeepers, those that can access this place shape history to match their vision by removing select memories from this space, wiping them from existence. Trapped in this timeless space since 1938, Lisavet Levy tries to save these memories deemed dangerous by salvaging and hiding them within her book until an American timekeeper Ernest Duquesne begins to take notice in 1949. Meanwhile in 1965, mourning the death of her Uncle Ernest, Amelia Duquesne is approached by a mysterious CIA agent named Moira who presents her a Time Space watch and tasks her with finding a mysterious book of memories Ernest had been searching for. Blending elements of speculative fiction, time…