Lisa Fridsma has long loved the process of teaching others to use Adobe products. She has written, edited, and designed over thirty books in the Classroom in a Book series over the last decade and a half (including books on Photoshop and After Effects), going back to her time on-staff at Adobe. She's currently the owner of Darlington Hill Productions (Informational illustrations and publishing).

Brie Gyncild aims to make technical information accessible to those who need it. Brie wrote The Photoshop CS5 Pocket Guide and The Photoshop Elements 8 Pocket Guide. She has also co-written The Photoshop Show Starring Russell Brown; numerous editions of the Classroom in a Book series on Photoshop, After Effects, Flash, and Acrobat; and several editions of the How to Wow series.