The "Friend Me" novels by Cathy Hopkins are part of the "Mates, Dates" series, targeted at young adult readers. Written in English and available in paperback format, the books explore social themes related to dating and relationships, as well as friendship. With a focus on the fictional narrative and catered towards a young adult audience, these novels offer a fun and engaging reading experience for teenagers looking for relatable stories and characters in the world of friendship and dating.