This Book Is a Planetarium

Reviewed by Andrew

Astronomy book with 6 fully-functional pop-up tools
Encourages interest in science, geometry, music, constellations
Text explains the scientific principles at play
Six fully functional tools pop up
Tools: a real working planetarium projecting the constellations, a musical instrument complete with strings for strumming, a geometric drawing generator, an infinite calendar, a message decoder, and even a speaker that amplifies sound