| Abbots Langley Library | Adult non-fiction | 615.1 | Available |
| Adeyfield Library | Adult non-fiction | 615.1 | Available |
| Baldock Library | Adult non-fiction | 615.1 | Available |
| Berkhamsted Library | Adult non-fiction | 615.1 | Available |
| Bishops Stortford Library | Adult non-fiction | 615.1 | Available |
| Borehamwood Library | Adult non-fiction | 615.1 | Available |
| Bovingdon Community Library | Adult non-fiction | 615.1 | Available |
| Brookmans Park Community Library | Adult non-fiction | 615.1 | Available |
| Buntingford Library | Adult non-fiction | 615.1 | Available |
| Bushey Library | Adult non-fiction | 615.1 | Available |
| Cheshunt Library | Adult non-fiction | 615.1 | Available |
| Chorleywood Community Library | Adult non-fiction | 615.1 | Available |
| Goffs Oak Community Library | Adult non-fiction | 615.1 | Available |
| Harpenden Library | Adult non-fiction | 615.1 | Available |
| Hatfield Library | Adult non-fiction | 615.1 | Onloan - Due: 30 Jul 2025 |
| Hemel Hempstead Library | Adult non-fiction | 615.1 | Available |
| Hertford Library | Adult non-fiction | 615.1 | Onloan - Due: 02 Aug 2025 |
| Hitchin Library | Adult non-fiction | 615.1 | Available |
| Hoddesdon Library | Adult non-fiction | 615.1 | Available |
| Kings Langley Community Library | Adult non-fiction | 615.1 | Available |
| Knebworth Community Library | Adult non-fiction | 615.1 | Available |
| Leverstock Green Community Library | Adult non-fiction | 615.1 | Available |
| London Colney Community Library | Adult non-fiction | 615.1 | Available |
| Marshalswick Library | Adult non-fiction | 615.1 | Onloan - Due: 28 Jul 2025 |
| North Watford Library | Adult non-fiction | 615.1 | Available |
| Oakmere Library | Adult non-fiction | 615.1 | Available |
| Oxhey Library | Adult non-fiction | 615.1 | Onloan - Due: 31 Jul 2025 |
| Radlett Library | Adult non-fiction | 615.1 | Available |
| Redbourn Community Library | Adult non-fiction | 615.1 | Available |
| Sawbridgeworth Community Library | Adult non-fiction | 615.1 | Available |
| St Albans Library | Adult non-fiction | 615.1 | Onloan - Due: 02 Jul 2025 |
| Stevenage Central Library | Adult non-fiction | 615.1 | Available |
| Tring Library | Adult non-fiction | 615.1 | Available |
| Waltham Cross Library | Adult non-fiction | 615.1 | Available |
| Ware Library | Adult non-fiction | 615.1 | Available |
| Welwyn Community Library | Adult non-fiction | 615.1 | Available |
| Wheathampstead Community Library | Adult non-fiction | 615.1 | Available |
| Woodhall Library | Adult non-fiction | 615.1 | Onloan - Due: 01 Aug 2025 |