| Borehamwood Library | Adult non-fiction | 641.5635 | Available |
| Cheshunt Library | Adult non-fiction | 641.5635 | Available |
| Hatfield Library | Adult non-fiction | 641.5635 | Available |
| Hemel Hempstead Library | Adult non-fiction | 641.5635 | Available |
| Kings Langley Community Library | Adult non-fiction | 641.5635 | Available |
| Letchworth Library | Adult non-fiction | 641.5635 | Onloan - Due: 25 Jul 2025 |
| London Colney Community Library | Adult non-fiction | 641.5635 | Available |
| North Watford Library | Adult non-fiction | 641.5635 | Available |
| Oakmere Library | Adult non-fiction | 641.5635 | Onloan - Due: 14 Jul 2025 |
| St Albans Library | Adult non-fiction | 641.5635 | Onloan - Due: 30 Jul 2025 |
| Waltham Cross Library | Adult non-fiction | 641.5635 | Available |
| Watford Central Library | Adult non-fiction | 641.5635 | Available |
| Welwyn Garden City Library and Information Service | Adult non-fiction | 641.5635 | Available |
| Woodhall Library | Adult non-fiction | 641.5635 | Available |