| Abbots Langley Library | Adult non-fiction | 641.5882 | Available |
| Bishops Stortford Library | Adult non-fiction | 641.5882 | Available |
| Hatfield Library | Adult non-fiction | 641.5882 | In-transit from Letchworth Library to Hatfield Library (Set: 28 May 2025) |
| Hemel Hempstead Library | Adult non-fiction | 641.5882 | Onloan - Due: 18 Jun 2025 |
| Hertford Library | Adult non-fiction | 641.5882 | Available |
| Letchworth Library | Adult non-fiction | 641.5882 | Onloan - Due: 17 Jun 2025 |
| Rickmansworth Library | Adult non-fiction | 641.5882 | Available |
| St Albans Library | Adult non-fiction | 641.5882 | Available |
| Stevenage Central Library | Adult non-fiction | 641.5882 | Available |
| Tring Library | Adult non-fiction | 641.5882 | Available |
| Watford Central Library | Adult non-fiction | 641.5882 | Available |
| Welwyn Garden City Library and Information Service | Adult non-fiction | 641.5882 | Available |