R Engelman. & Z Jaeger (EDS) 1986. Fragmentation, Form and Flow in Fractured Media. Proceedings of the F3 conference held at Neve Ilan, Israel, 6–9 January, 1986. xvi + 628 pp. Annals of Israel Physical Society, Volume 8. Jerusalem: Israel Physical Society; Bristol: Adam Hilger; New York: American Institute of Physics. Price £49.50 (UK), hard covers. ISBN 0 85274 578 8.