Q-Squared Easter Egg - Q-Squared

In the Star Trek:Next Generation novel, Q-Squared by Peter David, the plot takes place across several alternate time-tracks of the Enterprise. On "Track C", the bartender at Ten-Forward isn't Guinan, but a human named Caryn Johnson. In the TV series, Guinan is played by Whoopi Goldberg. Whoopi's real name is Caryn Johnson.