Ṣaḥīḥ Muslim
صَحِيحُ مُسْلِم
Considered one of the two most authentic collections of aḥādīth, second only to Bukhārī. It is unclear whether the author assigned a name to this book and it is commonly known as Ṣaḥīḥ Muslim (صحيح مسلم) (The Authentic Collection by Muslim). Sources: sunnah.com for the Arabic text and English translation. The English translation has been improved by myself and other contributors.
Random ḥadīth in Muslim
Yahya b. al-Husain reported on the authority of his grandfather that Allah's Apostle ﷺ invoked blessing on the occasion of the Farewell Pilgrimage three times for those who got their heads shaved and once for those who got their hair clipped. In the narration transmitted by Waki' there is no mention of the Farewell Pilgrimage.
أَنَّهَا سَمِعَتِ النَّبِيَّ ﷺ فِي حَجَّةِ الْوَدَاعِ دَعَا لِلْمُحَلِّقِينَ ثَلاَثًا وَلِلْمُقَصِّرِينَ مَرَّةً وَلَمْ يَقُلْ وَكِيعٌ فِي حَجَّةِ الْوَدَاعِ