"Sociales 3" (Social Studies 3) textbook by Kronos, belonging to a student named Nicolas Linares from class 3K. The book has a hole in the cover, revealing a landscape image underneath. "Sociales 3" is likely a textbook for third-grade students covering social studies topics. Kronos is the publisher of the textbook. The name Nicolas Linares and the class 3K indicates the book's owner and their grade level. The word "interactivo" (interactive) suggests the book may have interactive digital components and "Common Core" indicates alignment with the Common Core State Standards. Kronos, in Greek mythology, was the leader of the Titans and the god of time, which may be relevant to the publisher's choice of name.