A book of ten geometric models of advanced modular origami designed by Fergus Currie with full instructions and diagrams on how to make the following: 1.The Compound of Two Cubes2.The Compound of Two Tetrahedra3.The Compound of the Octahedron and the Cube4.The Compound of Three Cubes5.The Compound of Five Octahedra6.The Compound of Three Octahedra7.The Compound of Three Tetrahedra8.The Compound of the Icosahedron and the Dodecahedron9.The Small Triambic Icosahedron (STI)10.and11.The Compound of the STI and the Dodecahedron.It also includes an introduction with sections on the mathematics behind the models; a short history of modular origami; a section on tools and folding techniques, and a gallery of the finished models that are presented in the book.