Glenn is a person who drops many names. He spent most of his career as a technology journalist, but over the last decade, has moved more into printing and comics history. His Eisner Awards-nominated book, How Comics Are Made, is available in bookstores worldwide. Glenn somehow won two episodes of Jeopardy! His recent books include Flong Time, No See (upcoming, fall 2026), Six Centuries of Type & Printing (2nd ed, 2025), and London Kerning. He also edits books and consults on Kickstarter campaign