CEFR：
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ISBN：9780590262620
Scholastic Science Reader Level 2: Mighty Spiders!
$140
ISBN：9780439425025
Scholastic Science Readers Level 1: Penguin
$140
ISBN：9780439381956
Scholastic Science Readers Level 1: Fall Leaves Change Color
$140
ISBN：9780439295826
Scholastic Science Readers Level 1: Bats
$140
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