The collect for today, the Feast Day of Saint Michael and All Angels, from the 1662 Book of Common Prayer:

O everlasting God, who hast ordained and constituted the services of Angels and men in a wonderful order: Mercifully grant, that as thy holy Angels alway do thee service in heaven, so by thy appointment they may succour and defend us on earth; through Jesus Christ our Lord. Amen.

For the Epistle: Revelation 12:7-12
The Gospel: St Matthew 18:1-10

More on St Michael here.

Archangel Michael triumphing over SatanArtwork: Scipione Tadolini, St Michael the Archangel, 1865, Marble sculpture, Rotunda, Gasson Hall, Boston College.

Photos of the Church of St Michael and All Angels, Muncaster, England, are posted here.