Acorna's Search (2001) is a science fantasy novel by American writers Anne McCaffrey and Elizabeth Ann Scarborough. It is the fifth in the Acorna Universe series initiated by McCaffrey and Margaret Ball in ' (1997). Search was preceded by Acorna's World and followed by Acorna's Rebels.
AcornaâÂÂs homeworld has been devastated by a brutal attack from the Khleevi, yet the LinyaariâÂÂthe gentle, spiritual race of the unicorn girlâÂÂsurvive. As efforts begin to heal and restore the planetâÂÂs natural beauty, her friends and colleagues, including her beloved Aari, mysteriously disappear. AcornaâÂÂs search for answers leads her to a revelation beneath her world and into the depths of space, uncovering the origins of everything.