I've read loads of books, mainly graphic novels and mangas, so I'll just list my favorite mangas. my favorites are available in this web

• oyasumi punpun
• parasyte
• chi no wadachi
• ajin
• revolutionary girl utena
• oshi no ko
• princess jellyfish
• pandora hearts
• yona of the dawn
• k-on
• 86 - eighty six
• after the rain
• another
• violet evergarden
• ao haru ride
• madoka magica
• chihayafuru
• tougen anki
• cardcaptor sakura
• sailor moon