Here is the table of contents of Volume 10 and subscription information for the journal Theory and Applications of Categories. The Editors invite high quality submissions. The full table of contents is at www.tac.mta.ca/tac/ THEORY AND APPLICATIONS OF CATEGORIES ISSN 1201-561X Volume 10 - 2002 1. A survey of definitions of n-category Tom Leinster, 1-70 2. A homotopy double groupoid of a Hausdorff space Ronald Brown, Keith A. Hardie, Klaus Heiner Kamps, Timothy Porter, 71-93 3. Entity-relationship-attribute designs and sketches Michael Johnson, Robert Rosebrugh and R.J. Wood, 94-112 4. Homology of Lie algebras with $\Lambda/q\Lambda$ coefficients and exact sequences Emzar Khmaladze, 113-126 5. Exponentiability of perfect maps: four approaches Susan Niefield, 127-133 6. Coherence for Factorization Algebras Robert Rosebrugh and R.J. Wood, 134-147 7. More on injectivity in locally presentable categories J. Rosicky, J. Adamek and F. Borceux, 148-161 8. Colocalizations and their realizations as spectra Friedrich W. Bauer, 162-179 9. On some properties of pure morphisms of commutative rings Bachuki Mesablishvili, 180-186 10. Change of base, Cauchy completeness and reversibility Anna Labella and Vincent Schmitt, 187-219 11. Derived Operations in Goguen Categories Michael Winter, 220-247 12. Sober spaces and continuations Paul Taylor, 248-300 13. Subspaces in abstract Stone duality Paul Taylor, 301-368 14. Directed homotopy theory, II. Homotopy constructs Marco Grandis, 369-391 15. The cyclic spectrum of a Boolean flow John F. Kennison, 392-409 16. Simultaneously Reflective And Coreflective Subcategories of Presheaves Robert El Bashir and Jiri Velebil, 410-423 17. Entropic Hopf algebras and models of non-commutative logic Richard F. Blute, Francois Lamarche, Paul Ruet, 424-460 18. HSP subcategories of Eilenberg-Moore algebras Michael Barr, 461-468 19. Opmonoidal monads Paddy McCrudden, 469-485 20. A duality relative to a limit doctrine C. Centazzo and E.M. Vitale, 486-497 SUBSCRIPTION/ACCESS TO ARTICLES Subscribers to the journal receive abstracts of accepted papers by electronic mail. Compiled TeX (.dvi), Postscript and PDF files of the full articles are available by Web/ftp. To subscribe, send a request to tac@mta.ca, including your name and a postal address. The journal is free to individuals.