Nabokov's Blues The Scientific Odyssey of a Literary Genius. Kurt Johnson and Steve Coates. Zoland, Cambridge, MA, 1999. 384 pp. $27. C$38. ISBN 1-58195-009-8. Nabokov's Butterflies Unpublished and Uncollected Writings. Brian Boyd and Robert Michael Pyle, Eds. Beacon, Boston, 2000. 796 pp. $45. ISBN 0-8070-8540-5. Allen Lane, London, 2000. 796 pp. £25. ISBN 0-7139-9380-4. These two volumes celebrate the lepidopteran obsession of writer Vladimir Nabokov. Boyd and Pyle offer a collection of Nabokov's writings, fictional and scientific, to document the connections between the insects and Nabokov's art. Johnson and Coates focus on the novelist's work on a diverse group of Andean butterflies.