Each volume is fully in English, some supplements are also in French or in German. All specimens are shown life size. The printing is of superb quality. Many forms or subspecies are illustrated for the first time or described. Size is 24 x 34 cm.
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Already published parts:
 

L 2891	Butterflies of the World. Fasc. 1. Papilionidae 1. Achillides, Teinopalpus, Bhutanitis - 1998 - 20 p - 13 col. plates	£ 10
L 3060	Butterflies of the World. Fasc. 2. Nymphalidae 1. Agrias by Manfred Späth - 1999 - 12 p and 20 col. plates	£ 12
L 3260	Butterflies of the World. Fasc. 3. Nymphalidae 2. Ithomiinae by Gerardo Lamas - 1999 - 17 p and 16 col. plates	£ 10
L 3400	Butterflies of the World. Fasc. 4. Nymphalidae 3. Euphaedra by Jacques Hecq - 1999 - 9 p and 16 col. pl.	£ 10
L 3401	Butterflies of the World. Fasc. 4bis. (Supplement 1) Nymphalidae 3. Euphaedra. Text more complete, in French - 1999 - 16 p	£ 3
L 3500	Butterflies of the World. Fasc. 5. Papilionidae 2. Battus by Edwin Möhn - 1999 - 13 p and 20 col. plates	£ 14
L 3600	Butterflies of the World. Fasc. 6. Papilionidae 3. Troides 1. by Kurt Rumbucher - 1999 - 32 col. pl.	£ 19
L 3700	Butterflies of the World. Fasc. 7. Papilionidae 4. Troides 2. by Kurt Rumbucher - 1999 - 40 col. pl.	£ 24
L 3800	Butterflies of the World. Fasc. 8. Papilionidae 5. New and rare neotropical Papilionidae - 1999 - 4 col. plates (in German) (this part is free for subscribers)	£ 4
L 3900	Butterflies of the World. Fasc. 9. Nymphalidae 4. Bebearia by Jacques Hecq - 2000 - 32 col. pl.	£ 19
L 3901	Butterflies of the World. Fasc. 9bis. (Supplement 3) Bebearia. Text more complete, in French - 2000 - 34 p	£ 7
L 4010	Butterflies of the World. Fasc. 10. Pieridae by W. Winhard - 2000 - with 48 col. plates in 2 fascicules	£ 29
L 4011	Butterflies of the World. Fasc. 11. Nymphalidae 5. Oeneis by Lukhtanov & Eitschberger - 2000 - 12 p - 28 col. plates	£ 19
L 3902	Butterflies of the World. Fasc. 11bis. (Supplement 4) Oeneis. text more complete in English - 2001 - 37 p - 64 figs - 32 distribution maps	£ 13
L 4012	Butterflies of the World. Fasc. 12. Ornithoptera by Oliver Schäffler - 2001 - 19 p - 52 col. plates - in two parts	£ 30
L 4013	Butterflies of the World. Fasc. 13. Parnassius apollo by Möhn - 2003 - 32 colour plates	£ 30
L 4562	Butterflies of the World. Fasc. 13bis. (Supplement 6) Neue und wenig bekannte Parnassius apollo-Unterarten aus dem Osten des Verbreitungsgebietes - 2003 - 8 p	£ 4
L 4947	Butterflies of the World. Fasc. 13ter. (Supplement 9) Parnassius apollo. 2. by Möhn - 2005 - 6 p - colour plates 33-50	£ 40
L 4014	Butterflies of the World. Fasc. 14. Papilionidae 8. Genera Baronia, Euryades, Neographium, Protographium and Eurytides by E. Möhn - 2002 - with 36 col. plates	£ 27
L 4015	Butterflies of the World. Fasc. 15. Nymphalidae 6. Euriphene by Jacques Hecq - 2002 - with 12 col. plates	£ 9
L 4440	Butterflies of the World. Fasc. 15bis. (Supplement 5) Euriphene text more complete in French - 2002 - 16 p	£ 8
L 4016	Butterflies of the World. Fasc. 16. Nymphalidae 7. Pseudacraea by Jacques Hecq - 2003 - with 12 colour plates	£ 9
L 4685	Butterflies of the World. Fasc. 16bis. (Supplement 7) Pseudacraea text more complete in French - 2003 - 12 p	£ 4
L 4017	Butterflies of the World. Fasc. 17. Papilionidae 9. Papilionidae of the Philippines Islands by Page & Treadaway - 2003 - with 58 colour plates. All the species are shown	£ 35
L 4687	Butterflies of the World. Fasc. 17bis. (Supplement 8) Papilionidae of the Philippines Islands by Page & Treadaway - 2004 - 56 p	£ 24
L 4018	Butterflies of the World. Fasc. 18. Nymphalidae 8. Lexias by Dirk Casteleyn - 2004 - with 24 colour plates	£ 14
L 4019	Butterflies of the World. Fasc. 19. Papilionidae 10. Troides 3. by Rumbucher & Schäffler - 2004 - with 22 colour plates	£ 14
L 4020	Butterflies of the World. Fasc. 20. Nymphalidae 9. Amathusiini of the Philippine Islands by Schroeder & Treadaway - 2005 - 8 p - 24 plates (22 in colours)	£ 17
L 4021	Butterflies of the World. Fasc. 21. Papilionidae 11. Troides 4. by Rumbucher & Schäffler - 2005 - 6 p - 56 colour plates	£ 35
L 4022	Butterflies of the World. Fasc. 22. Nymphalidae 10. Charaxes 1. by Bernard Turlin - 2005 - 7 p - 35 colour plates	£ 30
L 4882	Butterflies of the World. Fasc. 22bis. (Supplement 10) Nymphalidae 10. Charaxes 1. Text more complete, in French - 2005 - 11 p	£ 7
L 4023	Butterflies of the World. Fasc. 23. Parnassius apollo. 3. Text in German by Möhn - 2005 - 33 p (this part is free for subscribers)	£ 16
L 4024	Butterflies of the World. Fasc. 24. Nymphalidae 11. Cethosia by Kuppers - 2006 - 31 col. pl.	£ 21
L 5080	Butterflies of the World. Fasc. 24bis. (Supplement 11) Nymphalidae 11. Cethosia 2006 - 23 p	£ 11
L 4025	Butterflies of the World. Fasc. 25. Nymphalidae 12. Charaxes 2. by Bernard Turlin - 2007 - 23 col. plates	£ 20
L 5101	Butterflies of the World. Fasc. 25bis. (Supplement 12) Nymphalidae 12. Charaxes 2. Text more complete, in French - 2007 - 8 p	£ 4
L 4026	Butterflies of the World. Fasc. 26. Papilionidae 13. Parides by E. Möhn - 2007 - 15 p - 52 col. plates	£ 47
L 5107	Butterflies of the World. Fasc. 26bis. (Supplement 13) Parides by Tommaso Racheli - 2006 - 115 p - 82 figs (In German)	£ 56
L 4027	Butterflies of the World. Fasc. 27.	prep.
L 4028	Butterflies of the World. Fasc. 28. Nymphalidae 14. Charaxes 3. by Bernard Turlin - 2007 - 32 colour plates	£ 21
L 5108	Butterflies of the World. Fasc. 28bis. (Supplement 14). Nymphalidae 14. Charaxes 3. Text more complete, in French - 2007 - 12 p	£ 8
L 4029	Butterflies of the World. Fasc. 29.	prep.
L 4030	Butterflies of the World. Fasc. 30.	prep.
L 5474	Butterflies of the World. Supplement 15. Hesperiidae of the Philippine Islands - 2007 - 72 p - 59 figs - 1 col. plate at the reverse of the cover	£ 36