Instructions for turning the modeling material known as Plasticine (or a similar modeling clay) into flat pictures and three-dimensional objects.

A comprehensive guide to the theory, methodology, and development for modeling systems of systems Modeling and Managing Interdependent Complex Systems of System

Something has gone haywire in the Solar System causing "elbows to itch and antennae to twitch" from Venus to Uranus. Have no fear, the problem is corrected and