NEW NATURALIST. The New Naturalist Library. London: Collins and Harper Collins, 1945-2021. 144 vols., including 121 first editions and 1 volume with a signed publisher’s slip, 8vo (223 x 151mm.) Numerous illustrations. (Toning, occasional spotting to early volumes, some volumes name or gift inscribed.) Original cloth (extremities bumped to early volumes), dust-jackets (37 volumes are price-clipped, minor chipping to spine ends of early volumes), numbers 97-144 still in the publisher’s shrink-wrap. Note: a run of one hundred and forty-four volumes of the New Naturalist. Numbers 1, 2, 5, 20, 22, 25, 26, 27, 29, 30, 33, 35, 36, 37, 40, 42, 44, 45, 47, 49, 50, 54, and 58 are reprints. Number 70 is a first edition, first state. Number 143 has a loose publisher’s slip signed by author David M. Wilkinson. – And a further ten volumes (‘New Naturalist Monographs’, numbers 1, 2, 4, 7, 8, 9, 11, 18, 19, 21) (155).