Yes, libraries will have books on Buddhism and science. Do you know your local branch? Also, as others here have said, libraries have computers with Internet that the public can use for free. I take it you don't have your own computer? That's not a problem-- libraries are a great resource all around. Barnes & Nobles definitely has a religion section, as do other bookstores. You might even meet someone in the aisle who you can learn from! Once I went into the new-age section and had a long conversation with a woman about realms and tarot cards...
If your father asks you for your phone, give it to him unless you believe it is the only way for you to access dharma (my guess is it's not).You seem terribly attached to your phone, and while I understand most teenagers are (hey, I am!), you need to learn to not crave the temporary pleasure it grants you. You need to master this if you wish to become a monk.
As for the potentiality of him becoming violent, this will greatly diminish if you do not fight him. Use kind, equanimous words when you speak to him and don't pick a fight.
I wish you well.
Peace comes from within. Do not seek it without. - The Buddha