6 copies each of 8 titles, 48 books total
A collection of articles linked together by the topic of exploring Antarctica
A collection of articles linked together by the topic of mixing and changing matter
A collection of articles linked together by the topic of making a difference
A collection of articles linked together by the topic of the forces of nature
A collection of articles linked together by the topic of dinosaurs
A collection of articles linked together by the topic of birthday celebrations
A collection of articles linked together by the topic of amazing plants
A collection of articles linked together by the topic of people working together