Gil-or (readingbooksinisrael) 'Magyk' is the first book and 'Flyte' is the second book. The books were translated into many languages so try a library first, especially if it has an English section and like Mary said you could buy it on a kindle (or nook) or kindle app (or nook app). And, as she also said, you can buy it on Amazon. Also, Goodreads shows on which online stores you can buy each book. On this book it's Amazon, Barnes & Noble, Audible, Abe Books, Book Depository, Kobo, Indigo, Half.com, Alibro, bOoks, Better World Books, Target.com and Indiebound.
Mary Amateis i dont know if theres like libraries or anything there, so you could try amazon. Or if you guys have ipads, kindles, and iphones, you could google a PDF version and download it to the kindle app. Just a thought, hope i helped :)