| Berkhamsted Library | Adult fiction | Crime / Paperback | Available |
| Bishops Stortford Library | Adult fiction | Crime / Paperback | Available |
| Borehamwood Library | Adult fiction | Crime / Paperback | Available |
| Bushey Library | Adult fiction | Crime / Paperback | Available |
| Cheshunt Library | Adult fiction | Crime / Paperback | Missing copy (Set: 16 Jan 2025) |
| Harpenden Library | Adult fiction | Crime / Paperback | Available |
| Hatfield Library | Adult fiction | Crime / Paperback | Onloan - Due: 21 Jun 2025 |
| Hemel Hempstead Library | Adult fiction | Crime / Paperback | Available |
| Hertford Library | Adult fiction | Crime / Paperback | Available |
| Hitchin Library | Adult fiction | Crime / Paperback | Available |
| Hoddesdon Library | Adult fiction | Crime / Paperback | Available |
| Letchworth Library | Adult fiction | Crime / Paperback | Available |
| North Watford Library | Adult fiction | Crime / Paperback | Available |
| Oakmere Library | Adult fiction | Crime / Paperback | In-transit from Letchworth Library to Oakmere Library (Set: 16 Aug 2023) |
| Oxhey Library | Adult fiction | Crime / Paperback | Available |
| Rickmansworth Library | Adult fiction | Crime / Paperback | Available |
| Royston Library | Adult fiction | Crime / Paperback | Available |
| St Albans Library | Adult fiction | Crime / Paperback | Available |
| Stevenage Central Library | Adult fiction | Crime / Paperback | Available |
| Ware Library | Adult fiction | Crime / Paperback | In-transit from Hertford Library to Ware Library (Set: 29 May 2025) |
| Watford Central Library | Adult fiction | Crime / Paperback | Available |
| Welwyn Garden City Library and Information Service | Adult fiction | Crime / Paperback | Available |