Inside Scouts Viv and Sanjay help a lion with a leaky heart in this full-color early reader series!

Pick a book. Grow a Reader!

This series is part of Scholastic's early reader line, Acorn, aimed at children who are learning to read. With easy-to-read text, a short-story format, plenty of humor, and full-color artwork on every page, these books will boost reading confidence and fluency. Acorn books plant a love of reading and help readers grow!

Viv and Sanjay are the Inside Scouts! Together, they help animals. They have a cool superpower -- they can shrink super small. When a lion with a leaky heart needs help, the Inside Scouts know what to do! They put on their suits, grab their tools, and get really small. They go inside the lion to find the leaky spot. And they fix it together!

This series introduces beginning readers to the human body through mammals with similar anatomy -- and it does so in really fun ways! In this first book, readers learn about the circulatory system as Viv and Sanjay fix the lion's heart! With color-coded speech bubbles, easy-to-read text, and light nonfiction content, these engaging STEM-themed stories are the perfect fit for new readers!