The One on One Adventures Compendium is now available in PDF form for $18. At 244 pages, it's a collection of 11 1on1 adventures that we've converted for Pathfinder.
All adventures are for a single player and single GM. They are all stand-alone adventures, but the Olindor adventures can be played in series if wished. The 1on1 series will continue in Pathfinder and #12 is in the works already.
The adventures therein:
1 on 1 Adventures #1: Gambler's Quest
1 on 1 Adventures #2: The Star of Olindor
1 on 1 Adventures #3: The Forbidden Hills
1 on 1 Adventures #4: The Sixth Cavalier
1 on 1 Adventures #5: Vale of the Sepulcher
1 on 1 Adventures #6: The Shroud of Olindor
1 on 1 Adventures #6.66: The Pleasure Prison of the B'thuvian Demon Whore
1 on 1 Adventures #7: Eyes of the Dragon
1 on 1 Adventures #8: Blood Brothers
1 on 1 Adventures #9: Legacy of Darkness
1 on 1 Adventures #10: Vengeance of Olindor
http://paizo.com/store/byCompany/e/expeditiousRetreatPress/1On1AdventuresPF RPG
Joseph Browning
Expeditious Retreat Press