'There are several subterranean settlements around the world, and this intriguing STEAM picture book profiles 15 of them ... The illustrations steal the show, laying out tunnels, passageways, and interconnected levels ... With applications across multiple curriculum areas, this book will capture browsers' attention and demand multiple reading'

'There are several subterranean settlements around the world, and this intriguing STEAM picture book profiles 15 of them ... The illustrations steal the show, laying out tunnels, passageways, and interconnected levels ... With applications across multiple curriculum areas, this book will capture browsers' attention and demand multiple reading'

'There are several subterranean settlements around the world, and this intriguing STEAM picture book profiles 15 of them ... The illustrations steal the show, laying out tunnels, passageways, and interconnected levels ... With applications across multiple curriculum areas, this book will capture browsers' attention and demand multiple reading'