The discussion centers on finding leveled books about important scientists suitable for 3rd to 4th graders or beginners in science, with a request for resources in English or Spanish. Participants recommend exploring the Internet Archive, specifically the "Folkscanomy Science" collection, which offers a wide range of public domain and permissively licensed titles. Users are cautioned against low-quality facsimile editions that may be difficult to read. The collection is noted for its vast array of topics and levels, allowing users to download books in various formats, including PDF. Participants express enthusiasm for browsing the collection, highlighting the enjoyment of discovering unique titles, such as "Do you Speak Venusian?" by Patrick Moore. The emphasis is on the importance of sifting through the available materials to find suitable options for beginners.