{"product_id":"professor-ryuta-kawashimas-speed-mental-math-brain-training-master-99x99-multiplication","title":"Professor Ryuta Kawashima's Speed Mental Math Brain Training: Master 99x99 Multiplication!","description":"\u003cp\u003eProfessor Ryuta Kawashima's Speed Mental Math Brain Training: Master 99x99 Multiplication!\u003c\/p\u003e\n\u003cp\u003eby Kawashima, Ryuta\u003c\/p\u003e\n\u003cp\u003eAuthentic Japanese book — sourced in Japan and shipped worldwide with full tracking. A title from Japan, delivered straight to your door.\u003c\/p\u003e\n\u003cp\u003eISBN 9784058023891 · ISBN-10 4058023899\u003c\/p\u003e","brand":"Amanogawa","offers":[{"title":"Default Title","offer_id":53865542353007,"sku":"AB-9784058023891","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/2849\/0863\/files\/9784058023891.jpg?v=1784651714","url":"https:\/\/amanogawa.cloud\/products\/professor-ryuta-kawashimas-speed-mental-math-brain-training-master-99x99-multiplication","provider":"Amanogawa","version":"1.0","type":"link"}