Sea Otters

X-Books are for kids who love facts—especially in bite-sized portions and about fascinating, true subjects. As plentiful images and graphical representations stimulate visual perception, readers will be drawn into learning how to use informational texts. Each title is framed by a signature Top 5 countdown feature that not only serves as an example of sequential order but also narrates a brief story within the main topic: in X-Books: Marine Mammals, these sidebars summarize the physical feat...