Blue Square Bet North new boys Oxford City have re-signed former England under-19 international defender Jack Mills.
Mills came through the Reading youth academy to sign professional forms with the club in summer 2010.
He was loaned out to City in August 2010 and the following January he was loaned out to Dutch Eerste Divisie side Telstar.
He made his senior debut for Reading in August 2011 in the Carling Cup and four days later made his Championship debut against Hull City at the KC Stadium.
He was released by the Royals at the end of last season and had been trialling with League Two side Bradford City before rejoining City.