John Evans (Thailand) has over 25 years’ experience in digital graphics, initially as a graphic designer and digital illustrator, and then as a multimedia author, user interface designer, and technical writer. He is the author of several editions of Peachpit’s Adobe Photoshop Elements Classroom in a Book and Adobe Photoshop Lightroom Classroom in a Book, and he resides in Thailand.
Katrin Straub (Brussels, Belgium) is an artist, designer, and author who holds degrees from the FH Augsburg, ISIA Urbino, and The New School University in New York. She has authored many books, among them Adobe Creative Suite Idea Kit, Adobe Soundbooth CS3 Classroom in a Book and several versions of Adobe Photoshop Elements Classroom in a Book, Adobe Premiere Elements Classroom in a Book, and Adobe Photoshop Lightroom Classroom in a Book. She resides in Brussels, Belgium.