In 2009, Giunti Junior released two books that relate a bit deeply the events of Season 1 and later in 2011 a third one was released that relates a bit deeply the events of the Movie. All the books were written by Rosalba Troiano.
Segreti e Ombre alla Golden School[]

"Segreti e Ombre alla Golden School" Front Cover
Translated to English as "Secrets and Shadows at Golden School", this books

"Segreti e Ombre alla Golden School" Back Cover
relates the events of the first half of Season 1:
"There are students and students: the Humans go to the Golden School, they fight, they fall in love, they make up, they challenge each other; the Eternals are young Angels and Devils that work in a stage in which they stand next to the Humans and...they fight, they fall in love, they make up, they challenge each other. Above everyone is a great mystery..."
This book is composed by 288 pages.
Tutto Colpa di un Bacio[]

"Tutto Colpa di un Bacio" Front Cover
Translated to English as "All Because of a Kiss", this book relates the

"Tutto Colpa di un Bacio" Back Cover
events shortly after Reina's revelation about Raf's true identity and also speaks about the feelings Raf and Sulfus felt when they kissed:
"Raf and Sulfus: a strong feeling locked in "that" unforgettable moment. However a kiss can also be the beggining of big problems, doubts, fears and uncertainty. Ginevra knows about it, who saw what she shouldn't have seen and now risks to push away Andrea as well."
This book is composed by 256 pages.
Tra Sogno e Realtà[]

"Tra Sogno e Realtà" Cover
Translated to English as "Between Dreams and Reality", this books possesses the same name as the Movie and as it sake name says it relates the events of the Movie:
"The daily life and the challenges to be able to watch (and help) the humans meet each other, for the Angel Raf, with a new dimension, between dream and reality, in which she will be able to see her hesitations on her story with Sulfus. Impossible story, but absolutely unmissable."
This book is composed by 128 pages.