| Bishops Stortford Library | Adult non-fiction | 641.865 | Available |
| Borehamwood Library | Adult non-fiction | 641.865 | Available |
| Goffs Oak Community Library | Adult non-fiction | 641.865 | Available |
| Harpenden Library | Adult non-fiction | 641.865 | Onloan - Due: 18 Jul 2025 |
| Hatfield Library | Adult non-fiction | 641.865 | Available |
| Hemel Hempstead Library | Adult non-fiction | 641.865 | Available |
| Hertford Library | Adult non-fiction | 641.865 | Available |
| London Colney Community Library | Adult non-fiction | 641.865 | Onloan - Due: 29 Jul 2025 |
| Marshalswick Library | Adult non-fiction | 641.865 | Available |
| Radlett Library | Adult non-fiction | 641.865 | Available |
| St Albans Library | Adult non-fiction | 641.865 | Available |
| Stevenage Central Library | Adult non-fiction | 641.865 | Available |
| Watford Central Library | Adult non-fiction | 641.865 | Onloan - Due: 02 Aug 2025 |
| Wheathampstead Community Library | Adult non-fiction | 641.865 | Onloan - Due: 29 Jul 2025 |