Editorial introduction: Malcolm MacCallum at 60 B. J. CarrA. A. ColeyP. K. S. Dunsby Preface 19 April 2006 Pages: 997 - 1002
Natural generation and amplification of magnetic seed fields P. K. S. DunsbyG. BetschartC. Zunckel Research Article 13 May 2006 Pages: 1029 - 1054
Some developments in twistors and space-time Roger Penrose Research Article 03 May 2006 Pages: 1055 - 1058
The interaction of electricity and magnetism in Einstein–Maxwell theory W. B. Bonnor Research Article 13 May 2006 Pages: 1063 - 1067
Mining metrics for buried treasure D. A. KonkowskiT. M. Helliwell Research Article 18 March 2006 Pages: 1069 - 1082
Invariants of the Riemann tensor: A classical approach S. T. C. Siklos Research Article 03 March 2006 Pages: 1083 - 1094
Computer Algebra: from the Visible to the Invisible R. A. d'Inverno Research Article 15 March 2006 Pages: 1095 - 1108
Integrable quadratic Hamiltonians with a linear Lie-Poisson bracket T. Wolf Research Article 22 March 2006 Pages: 1115 - 1127