RHS Gardener’s Encyclopedia of Plants & Flowers. Hardback (rrp £40).’ The definitive reference work for every gardener’. 8000 plants covered, 4250 photographs. Please note: this is a very heavy book so will only be suitable for sending within the UK. The maximum cost of delivery will be £7.50…..the postage algorithm on the website will calculate more but any excess will be immediately refunded to you.