In the name of God, the Most Gracious, the Most Merciful. Einstein's Course Physics Book 2026, colored print with a ruler for sale.. I subscribed to a second course and don't need it. The book is new, I used its print for two days and then left it as is, brand new. For 120, non-negotiable at the printing price. Contact via private message or WhatsApp. No delivery. ( Phone number appears when clicking the contact button )