You recommend a lot of books, but don't have links. Where can I get them?
The books recommended in Science for Ohio have been read and recommended by many teachers and are generally widely available. The most economical way to get these books is to contact your local library. Many libraries offer library cards that allow teachers to check out books for school use and receive a print-out as well as prior notice of overdue fines. Local book stores or amazon.com are recommended if you want a copy for your school library.