This year TFP is co-located with , and a single registration fee covers both events.
Register for Lambda Days, and you will be able to attend both Lambda Days and TFP sessions. Registration fees are lower for earlier bookings; the lowest prices are available until September 30th.
Registration for TFPIE is not included this year in the registration fee for Lambda Days and TFP. You can find instructions on how to register for TFPIE on the TFPIE web site.