A Map of Days (Book 4:Miss Peregrine’s Home for Peculiar Children series) by Ransom Riggs

After the climactic events of Library of Souls, Jacob Portman is back in Florida, trying to adjust to normal life. But things don’t stay quiet for long. When Jacob discovers his grandfather Abe’s old secrets—including a hidden network of peculiar agents in America—he and his friends embark on a journey across the U.S.

Their mission? To uncover Abe’s past, explore new American peculiardoms, and confront a growing threat that suggests the peculiar world is far from safe—even with the wights defeated.