Never has humble paper had such radical ambitions. Defying every expectation of what a book can be, this pop-up extravaganza transforms intosix fully functional tools. Artist Kelli Anderson contributes enlightening text alongside each pop-up, explaining the scientific principles at play in her constructions and creating an interactive experience that's as educational as it is extraordinary. Inspiring awe that lasts long after the initial pop,This Book Is a Planetarium leaves