He tells how to make one and use it. Photos show a student launching a dart that's about 6' in length. The book also tells how to knap flint for the points and how to make a primitive bow and arrows. One is a woomera from Australia, and the other is made from one piece of carved bone and is from prehistoric France. There is a whole chapter on hand-thrown missle weapons, including slings, clubs, boomerangs, edged weapons and spears.
Many public libraries have it.
It also deals with battles, campaigns, strategies and tactics. One of the most interesting entries shows the likely outcome of a phalanx vs. a Roman unit using the pilum, or throwing spear to break up the phalanx. Another illo shows the evolution of the Roman throwing spear, from the heavy pilum to the plumbata, a throwing dart with an egg- shaped weight to aid its penetration. One contemporary source credits the plumbata with having the best range of all hand-thrown spears of its day. John Warry is the author, and it was pubished by the University of Oklahoma Press.