<https://www.rubiconpublishing.com/product/i-spy-6-pack/#product>
<http://schema.org/description>
"Fun, functional, and perfect for early literacy instruction — BOLDPRINT Kids Graphic Readers are graphically engaging, carefully levelled little books that will charm all young readers.\n "
<https://www.rubiconpublishing.com/product/i-spy-6-pack/>