- eBookMasters of the Trading GameJim Cline
- eBookBouncing High Above the WorldJim Cline
- eBookA potential application of General Systems theoryJim Cline
- eBookThe Torus City Ice Shields Returning HomeJim Cline
- eBookThree Species on Lava WorldJim Cline
- eBookThe Ark of 1984's FutureJim Cline
- eBookIt's Down To EarthJim Cline