4/$20 - What Einstein Didn't Know - Scientific Answers to Everyday Quest…

Paperback in good pre-owned condition - no marks or tears on pages. Minimal wear to covers. Robert Wolke provides definitive - and amazingly simple- explanations for the mysteries of everyday life - like how do magnets work? why do ice cubes crackle in your glass? what lights up a neon sign? why is the sky blue: why is a candle flame yellow? Entertaining hours of fun and knowledge for kids of any age. From smoke-free home 4/$20 - bundle 4 items with this description from my closet and send an offer of $20. NEW TO POSHMARK? Sign up with my promo code PAEDPT and get $15 off your first order from Postmark!