Libetarian - Short Answers to the Tough Questions, 4th edition, Ruwart, Dr. Mary. - This 95 page spiral bound book by Dr. Ruwart addresses several key Libertarian questions such as Restitution, Road, Environment, Children's Rights, Animal Rights, National Defense, Helping the Poor, Abortion, the War on Drugs and Gun Control among others. The 4th edition was printed in 1999, but the topics remain relevant.