Witness the dazzling mid-air copulations of slugs, the transvestism of dung beetles, the "lovedarts" of snails, the pre- and post-nuptial snack-smearing strategies of millipedes and centipedes, the dance of the scorpions, and spiders that tie their mates down with "bridal veils" of silk. Splendidly illustrated from nature, this encyclopedia describes with rigour and grace some of the most complex and bizarre behaviours in the animal world. Rod and...