"The nice thing about Arithmancy is that anyone can learn it. You do not have to have magical abilities to understand the runes." She might as well speak in English to both of them, since they understand her. Caspar has the option to answer back in Bulgarian.

Hermione opens her beaded bag. And taps her wand on it. She pulls out a large, thick Arthimancy book. And a unopened bag of runes.

"In fact, this is my Solstice gift to you, Caspar." She holds both of the items out to him.