Pre-Calculus 12 2nd Edition Textbook

Selling a Pre-Calculus 12 textbook, 2nd edition, by Richard N.S. Seong. It's published by Infinite Challenge Publishing Ltd. This book includes key points concisely summarized, more than 450 complete guided examples, and all the formulae provided with complete proofs. There are also 3000 carefully crafted questions with full solutions and 1600 graphs and diagrams to help explain and solve problems