 website, the release of the "Pebbles, Volume 11" CD in 2007—actually several years after the release of the "Pebbles, Volume 12" CD—represents the last album that will ever be issued in the "Pebbles series".More recently, AIP has begun the Essential Pebbles series and Planetary Pebbles series; whether there will be future volumes in these series is uncertain.To their credit, when AIP began issuing Pebbles albums on CD, the albums included numerous recordings that were not as yet on the LPs.