| Abbots Langley Library | Adult fiction | Crime / Paperback | Available |
| Baldock Library | Adult fiction | Crime / Paperback | Missing copy (Set: 30 Apr 2025) |
| Baldock Library | Adult fiction | Crime / Paperback | Available |
| Berkhamsted Library | Adult fiction | Crime / Paperback | Available |
| Bishops Stortford Library | Adult fiction | Crime / Paperback | Onloan - Due: 16 Jul 2025 |
| Croxley Green Library | Adult fiction | Crime / Paperback | Available |
| Hemel Hempstead Library | Adult fiction | Crime / Paperback | Available |
| Hertford Library | Adult fiction | Crime / Paperback | Available |
| Hitchin Library | Adult fiction | Crime / Paperback | Available |
| Hitchin Library | Adult fiction | Crime / Paperback | Available |
| Letchworth Library | Adult fiction | Crime / Paperback | In-transit from Baldock Library to Letchworth Library (Set: 07 Sep 2022) |
| Marshalswick Library | Adult fiction | Crime / Paperback | Available |
| North Watford Library | Adult fiction | Crime / Paperback | Available |
| North Watford Library | Adult fiction | Crime / Paperback | Available |
| Oakmere Library | Adult fiction | Crime / Paperback | Onloan - Due: 18 Jul 2025 |
| Royston Library | Adult fiction | Crime / Paperback | Available |
| St Albans Library | Adult fiction | Crime / Paperback | Missing copy (Set: 07 Dec 2020)In-transit from HALS to St Albans Library (Set: 07 Dec 2020) |
| Stevenage Central Library | Adult fiction | Crime / Paperback | Onloan - Due: 21 Jul 2025 |
| Watford Central Library | Adult fiction | Crime / Paperback | Available |
| Welwyn Garden City Library and Information Service | Adult fiction | Crime / Paperback | Available |