{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Double-Decker Bus: Early Addition and Subtraction (Contexts for Learning Mathematics, Grade K-3: Investigating Number Sense, Addition, and Subtraction)","author_name":"Maarten Dolk, Catherine Twomey Fosnot, Nina Liu","thumbnail_url":"https://www.ebooknetworking.net/books/032/501/big0325010080.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0325010080.html\">The Double-Decker Bus: Early Addition and Subtraction (Contexts for Learning Mathematics, Grade K-3: Investigating Number Sense, Addition, and Subtraction)</a>","width":400,"height":300}