The Road Code is speeding out of Auckland libraries - but it seems a one-way street when it comes to getting the books returned.
The Official New Zealand Road Code: Your guide to becoming a safe and responsible driver, 2013-2014 - which costs $25.50 from the Automobile Association - is required reading for anyone wanting to get behind the wheel.
But it's so popular it has been named No1 on the missing book list for Auckland's 55 libraries.
Dog & Lemon Guide editor Clive Matthew-Wilson, a vocal road safety campaigner, was pleased by the interest in the manual but said it was a shame that copies weren't being returned to libraries so other young Kiwis could benefit from its wisdom.
"We live in a weird time in history. Probably the only book anyone under the age of 30 is reading any more appears to be the Road Code, so it's natural it would be No1 in theft as well."