At its latest Unpacked event, Samsung introduced four laptops under its Galaxy Book series, including Galaxy Book Pro, Galaxy Book Pro 360, Galaxy Book Odyssey, and the regular Galaxy Book. One is claimed to be the lightest and thinnest Galaxy Book, another one is a two-in-one convertible laptop with an S pen support, the third is said to be ideal for gamers and the fourth is an affordable option with all the essential features. And, here's everything that you need to know.