| Abbots Langley Library | Children's non-fiction | C 821.92 | Available |
| Baldock Library | Children's non-fiction | C 821.92 | Available |
| Berkhamsted Library | Children's non-fiction | C 821.92 | Available |
| Bishops Stortford Library | Children's non-fiction | C 821.92 | Available |
| Borehamwood Library | Children's non-fiction | C 821.92 | Available |
| Buntingford Library | Children's non-fiction | C 821.92 | Available |
| Bushey Library | Children's non-fiction | C 821.92 | Available |
| Croxley Green Library | Children's non-fiction | C 821.92 | Available |
| Harpenden Library | Children's non-fiction | C 821.92 | Available |
| Hemel Hempstead Library | Children's non-fiction | C 821.92 | Available |
| Hertford Library | Children's non-fiction | C 821.92 | Available |
| Hitchin Library | Children's non-fiction | C 821.92 | Available |
| Hoddesdon Library | Children's non-fiction | C 821.92 | Available |
| Letchworth Library | Children's non-fiction | C 821.92 | Available |
| Marshalswick Library | Children's non-fiction | C 821.92 | Available |
| North Watford Library | Children's non-fiction | C 821.92 | Available |
| Oakmere Library | Children's non-fiction | C 821.92 | Available |
| Oxhey Library | Children's non-fiction | C 821.92 | Available |
| Radlett Library | Children's non-fiction | C 821.92 | Available |
| Rickmansworth Library | Children's non-fiction | C 821.92 | Available |
| St Albans Library | Children's non-fiction | C 821.92 | Available |
| Stevenage Central Library | Children's non-fiction | C 821.92 | Available |
| Tring Library | Children's non-fiction | C 821.92 | Available |
| Waltham Cross Library | Children's non-fiction | C 821.92 | Available |
| Ware Library | Children's non-fiction | C 821.92 | Available |
| Watford Central Library | Children's non-fiction | C 821.92 | Available |
| Welwyn Garden City Library and Information Service | Children's non-fiction | C 821.92 | Available |