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 Models:1. Rhombic Triacontahedron S12. Rhombic Triacontahedron S23. Rhombic Triacontahedron S54. Rhombic Triacontahedron S85. Rhombic Triacontahedron S96. Rhombic Triacontahedron S257. Rhombic Triacontahedron S278. Rhombic Triacontahedron S459. Rhombic Triacontahedron S8510.Rhombic Triacontahedron S105It 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.