It depends on your topic and what you are writing about. The library research guides by subject are great way to find databases about your topic of interest. https://libraryguides.oswego.edu/subject
Biography and by extension, biographical graphic novels.
Penfield Library has foreign language books, public libraries often have a large collection of literature written in an original language. Library databases and websites also can provide you with good information.
Search the Penfield Library Catalog - Search Databases - Example Keywords: Medieval Weapons
Goodreads is an excellent social media site for book enthusiasts and you will probably find the most "authentic" reviews by readers on this site. I suggest utilizing the knowledge of public librarians - teen librarians especially - are great at reader's advisory, the art of recommending books.
YA books are usually classified as such by publishers. See "Characteristics of Young Adult Literature."
Short answer: $$$
Check a book's summary in a library catalog, read reviews, etc.
The books don't teach the skills, teachers do. I suggest looking for titles in the Teaching Resource Center.