So, I'm confused. The title of this thread says you are going to be getting a tortoise but you can't decide what kind to get. Do you already have a Russian tortoise and you want to get another species of tortoise?
Hello and welcome Nicole. You came to the right place everyone here is very nice and helpful. I do recommend two or three books for you.
Popular Tortoises by: Philippe de Vosjoli .
Keeping And Breeding Tortoises In Captivity by: Andy Highfield
Turtles of the World by: Carl Ernest and Roger Barbour
Encyclopedia of turtles by: Dr. Peter Pritchard
you might be able to find them on E-bay or Amazon
I got these books years ago and I still use them to refer back to.