Me and my friends have recently started a book club called "Book BFFs" (BFF stands for Best Friends Forever) I made t-shirts for everyone in the club so we can all match!
Here's a close up of the slogan/logo. I used my classic technique of stencils made from plastic book covering and acrylic paint. Some kind of screen printing, fabric paint would probably be better...but I didn't have any. Acrylic will be permanent though, It starts off a bit crusty but after a few washes it will become soft. It might also fade in areas in a sort of sassy distressed way.