| Bishops Stortford Library | Children's non-fiction | C 152.4 | Available |
| Borehamwood Library | Children's non-fiction | C 152.4 | Available |
| Harpenden Library | Children's non-fiction | C 152.4 | Available |
| Hatfield Library | Children's non-fiction | C 152.4 | Available |
| Hemel Hempstead Library | Children's non-fiction | C 152.4 | Available |
| Hitchin Library | Children's non-fiction | C 152.4 | Available |
| Hoddesdon Library | Children's non-fiction | C 152.4 | Available |
| St Albans Library | Children's non-fiction | C 152.4 | Available |
| Stevenage Central Library | Children's non-fiction | C 152.4 | Available |
| Watford Central Library | Children's non-fiction | C 152.4 | Available |
| Welwyn Garden City Library and Information Service | Children's non-fiction | C 152.4 | Available |