Different publishers. the average number of pages in the book is between 44-64. size: 13 cm x 19 cm paper type: 2. pulp cover/packaging: thin cardboard cover english story set a total of 10 books will be sent as mixed. more than 10 stocks are offered to be sold at the campaign price. This publication is ideal for readers seeking insightful and educational content. Prepared by experienced authors and printed with high-quality materials. Great for students, educators, and curious minds.