A+E Networks History Channel. Houdini Interactive Classroom Guide. I really enjoyed making classroom guides at History. It was something I had never done before and I like solving visual puzzles. Staying on brand, developing a color scheme, making the text and graphic elements fit neatly on a page, flowing pages together, it all makes for an interesting challenge for me. I used the key art for the cover and I took stills from the show and public domain images and enhanced and manipulated them in Photoshop for the rest of the guide. The guide itself was written by Dr. Kimberly Gilmore. To see the actual interactive pdf go to: