Get your nodz around this! Two zzziplas, one pair of twins, a blinding pink flash and then - ffzzzzzpwt! - goodbye Sally and Olly, hello Solly and Ally. Twins become sniwT. And only the Chykkans can fix-up the mix-up.
Used availability for Justin D'Ath's Sniwt
February 1999 : Australia Paperback