Decomposition books are designed in Brooklyn, NY, by Michael Roger, Inc. Since 1949, Michael Roger has been a family business based in Brooklyn, New York. Founded by the great-grandfather of the current owner, they've been making trend-setting, unique lines of journals, notebooks, and sketchbooks for over half a century. Michael Decomposition Book notebooks are made in the USA using 100% recycled paper, soy ink and bio-gas. A new and modern take on a stationery classic.