Lepton Advanced Aries 1-3, 3 books total All with CDs * These CDs can be played on computers and MP3-compatible devices. These were used by my daughter, so there is writing in all of them. (Sometimes there's even doodles... m(_ _)m) At the cram school, each book cost around 2000 yen. Please understand that these are used items before purchasing. m(_ _)m * In consideration of SDGs, the internal vinyl packaging will be reused instead of new, so please be aware of this.