With 15,000 already snapped up by existing season ticket holders, almost 2,000 have been put up for general sale and fans have been lining up since daybreak in the hope of buying one.
The cost of a season ticket is lower than the last time Reading were in the top flight four years ago, with children's tickets £135 cheaper.
For details call 0844 249 1871 or visit the ticket office in person.
Meanwhile, Reading fans are in for a Royal treat tomorrow after promotion-winning boss Brian McDermott agreed to join in a Championship trophy photo session.
Supporters will get the chance to have their picture taken with the coveted trophy at the Madejski Stadium for a fee of £15.
And McDermott wants to be part of the fun and is willing to join in the photos is required.
The photo sessions take place on Saturday and Sunday from 10am until 4pm, with McDermott likely to attend around 10.45am this Saturday.