 He also stars in and co-writes, with Barry Cryer, "You'll Have Had Your Tea", a direct spin-off of ISIHAC, and has contributed to several books from the series including guides to the game Mornington Crescent.Garden wrote for and appeared with Barry Cryer and Alison Steadman in the 1989 BBC radio comedy sketch show "The Long Hot Satsuma".Garden had a role in Paul B. Davies' 2000 radio play "Spy Nozy and the Poets".