A very easy-to-understand 3-book set covering the basics of physics, calculus, and mathematics. - Title: Everything You Need to Know About Physics - Title: Everything You Need to Know About Calculus - Title: Everything You Need to Know About Mathematics Thank you for viewing. The condition is relatively good, but please understand that this is a used set before purchasing. Shipping Notes ☆ Shipping may be delayed by several days during the New Year's holiday period. Please be aware of this. ※ Additional shipping charges may apply to some remote islands, Hokkaido, Okinawa, etc. Please be aware of this. (If you do not agree to the additional charges mentioned above after purchasing the product, we may cancel the transaction.)