40 books/language + number + english +10 books for each(40本装/语＋数＋英＋作各10本) free mix and match 40 books (contact customer service note)(自由混搭40本（联系客服备注）) free mix and match 30 books (contact customer service note)(自由混搭30本（联系客服备注）) 20 books/chinese(20本装/语文) 20 copies/english(20本装/英语) 20 books/math(20本装/数学) 20 pieces/composition(20本装/作文) 20 books/language + number + english +5 books for each(20本装/语＋数＋英＋作各5本) 20 books/10 books for chinese + mathematics(20本装/语文＋数学各10本) 20 packs/10 chinese + compositions each(20本装/语文＋作文各10本) 20 books/10 books for chinese + english(20本装/语文＋英语各10本) 20 books/10 books for english + mathematics(20本装/英语＋数学各10本) 20 packs/10 english + compositions each(20本装/英语＋作文各10本) 20 pieces/math + composition 10 pieces each(20本装/数学＋作文各10本) 40 books/20 books for chinese + english(40本装/语文＋英语各20本) 40 books/20 books for chinese + mathematics(40本装/语文＋数学各20本) 40 pieces/chinese +20 pieces for each composition(40本装/语文＋作文各20本) 40 packs/20 english + compositions each(40本装/英语＋作文各20本) 40 books/english + math 20 books each(40本装/英语＋数学各20本) 40 pieces/math + composition 20 pieces each(40本装/数学＋作文各20本) 10 packs/5 math + compositions each(10本装/数学＋作文各5本) 10 books/chinese(10本装/语文) 10 copies/english(10本装/英语) 10 books/math(10本装/数学) 10 pieces/composition(10本装/作文) 10 books/5 books for chinese + mathematics(10本装/语文＋数学各5本) 10 books/5 books for chinese + english(10本装/语文＋英语各5本) 10 packs/5 chinese +5 compositions each(10本装/语文＋作文各5本) 10 books/5 books for english + mathematics(10本装/英语＋数学各5本) 10 packs/5 english +5 compositions each(10本装/英语＋作文各5本) 30 books/10 books for chinese + math + english(30本装/语文＋数学＋英语各10本) 30 pieces/chinese + math + composition 10 pieces each(30本装/语文＋数学＋作文各10本) 30 pieces/chinese + english + composition 10 pieces each(30本装/语文＋英语＋作文各10本) 30 books/math + english + composition 10 books each(30本装/数学＋英语＋作文各10本) 1 english book (mini set)(英语1本（体验装）)

30 covers + inner pages in total(封面＋内页共30张)