It includes the Nezkim, which concerns laws dealing with civil and criminal matters, the Zeraim, which pertains to agriculture, the Nashim, which describes laws regarding vows, the Kodashim, which relates to ritual slaughter, and the Tohorot, which concerns ceremonial purity.
The people quoted in it are known as the Tanna'im, while many of its contributors were centered at Yavneh.  Unique in it is the Pirke Avot, a collection of moral sayings, which lacks the traditional commentary that accompanies it other parts. It includes the Nezkim, which concerns laws dealing with civil and criminal matters, the Zeraim, which pertains to agriculture, the Nashim, which describes laws regarding vows, the Kodashim, which relates to ritual slaughter, and the Tohorot, which concerns ceremonial purity. Compiled by Rabbi Judah the Prince, identify - for 10 points - this Jewish collection of oral law, whose commentary is known as the Gemara.
The people quoted in it are known as the Tanna'im, while many of its contributors were centered at Yavneh.  
Mishnah