1. Editorial introduction: Malcolm MacCallum at 60

   • B. J. Carr
   • A. A. Coley
   • P. K. S. Dunsby

   Preface 19 April 2006 Pages: 997 - 1002

2. The Bianchi models: Then and now

   • G. F. R. Ellis

   Research Article 13 May 2006 Pages: 1003 - 1015

3. Gravitational shock waves

   • J. M. Stewart

   Research Article 18 May 2006 Pages: 1017 - 1027

4. Natural generation and amplification of magnetic seed fields

   • P. K. S. Dunsby
   • G. Betschart
   • C. Zunckel

   Research Article 13 May 2006 Pages: 1029 - 1054

5. Some developments in twistors and space-time

   • Roger Penrose

   Research Article 03 May 2006 Pages: 1055 - 1058

6. Remarks on exact solutions

   • J. Ehlers

   Research Article 22 March 2006 Pages: 1059 - 1062

7. The interaction of electricity and magnetism in Einstein–Maxwell theory

   • W. B. Bonnor

   Research Article 13 May 2006 Pages: 1063 - 1067

8. Mining metrics for buried treasure

   • D. A. Konkowski
   • T. M. Helliwell

   Research Article 18 March 2006 Pages: 1069 - 1082

9. Invariants of the Riemann tensor: A classical approach

   • S. T. C. Siklos

   Research Article 03 March 2006 Pages: 1083 - 1094

10. Computer Algebra: from the Visible to the Invisible

    • R. A. d'Inverno

    Research Article 15 March 2006 Pages: 1095 - 1108

11. The equivalence problem

    • Anders Karlhede

    Research Article 04 March 2006 Pages: 1109 - 1114

12. Integrable quadratic Hamiltonians with a linear Lie-Poisson bracket

    • T. Wolf

    Research Article 22 March 2006 Pages: 1115 - 1127

13. Concluding remarks

    • M. A. H. MacCallum

    Comment 09 March 2006 Pages: 1129 - 1134