It’s that time again – my favourite bits from the latest Dewey Decimal subject mappings.

• Longest number: Thermal conducticity of permafrost – 551.384015362012
• Geekiest number: Women in computer games – 794.8
• Number most likely to be confused with number for David Tennant fan clubs: Tenants’ associations – 333.5406
• Number most likely to host gigs: Knebworth House (England) – 728.80942581
• White van man: Ford Transit van – 629.2234
• Most chronological geological number: International Year of Mountains, 2002 – 551.432
• Plausible deniability: Military applications of depleted uranium – 623.45
• Ew: Menstruation in the Bible – 220.8612662