John Evans has worked in computer graphics and design for more than 30 years, initially as a graphic designer, and then as a multimedia author, software interface designer, and technical writer. His multimedia and digital illustration work associated with Japanese type attracted an award from Apple Computer Australia. His other projects range from music education software for children to interface design for innovative font design software. As a technical writer his work includes software design specifications, user manuals, and copyediting for Adobe Photoshop Elements 7 Classroom in a Book, Adobe Photoshop Lightroom 2 Classroom in a Book, and Adobe Creative Suite 4 Classroom in a Book. More recently he has authored several editions of Adobe Photoshop Lightroom Classroom in a Book and Adobe Photoshop Elements Classroom in a Book.

Katrin Straub is an artist, a graphic designer, and author. Her award-winning print, painting, and multimedia work has been exhibited worldwide. With more than 15 years experience in design, Katrin has worked as Design Director for companies such as Landor Associates and Fontworks in the United States, Hong Kong, and Japan. Her work includes packaging, promotional campaigns, multimedia, website design, and internationally recognized corporate and retail identities. She holds degrees from the FH Augsburg, ISIA Urbino, and The New School University in New York. Katrin has authored many books, from the Adobe Creative Suite Idea Kit to Classroom in a Book titles for Adobe Photoshop Lightroom 2, Adobe Creative Suite 4, Adobe Soundbooth, and several versions of Adobe Photoshop Elements Classroom in a Book and Adobe Premiere Elements Classroom in a Book.