Peace, mercy, and blessings of God be upon you The book is for sale: I bought it for 169﷼, asking for 110﷼, negotiable. Unlock – Level 3 1.Reading, Writing & Critical Thinking – Student’s Book 3 (Barcode used) Note: The book is very new and clean, no solutions or writing in it, only the barcode was used. The price is reasonably negotiable, and selling due to no longer needing it.