"Summer in a mountain hut" - illustration by Francesco Bongiorni. This illustration drawn by Francesco Bongiorni for the cover of the book “Un estate in rifugio”, a book of friendship, love and courage in the first changes of the heart of the young protagonist. The illustration well represents the refuge where he will spend his summer holidays, immersed in the clouds of the high Alpine mountains, on the roof of which - with a friend - they observe a majestic horizon yet to be discovered.