1. Approaches to the Predictive Identification and Assessment of Chemical Contact Allergens / David A. Basketter [and others] -- 2. Molecular Recognition of Haptens by T Cells : More Than One Way to Tickle the Receptor / Hans Ulrich Weltzien [and others] -- 3. Langerhans Cell Migration and the Induction Phase of Skin Sensitization / Marie Cumberbatch -- 4. Contribution of CD4+ and CD8+T Cells in Contact Hypersensitivity and Allergic Contact Dermatitis / Pierre Saint-Mezard [and others] -- 5. T Cell Subsets in Allergic Contact Dermatitis / Andrea Cavani, Francesca Nasorri and Giampiero Girolomoni -- 6. T Cell Recruitment in Allergic Contact Dermatitis / Silvia Sebastiani, Giampiero Girolomoni and Andrea Cavani -- 7. Cytokines in Contact Sensitivity / Alexander H. Enk -- 8. The Use of Gene-Targeted Mice in Contact Hypersensitivity Research / Binghe Wang [and others] -- 9. A Dual Role for Mast Cells in Contact Hypersensitivity Reactions : More Team Players in Type 1 T Cell Mediated Contact Hypersensitivity Reactions / Tilo Biedermann and Martin Rucken -- 10. Multiple Roles of Keratinocytes in Allergic Contact Dermatitis / Cristina Albanesi -- 11. UVB Radiation and Modulation of T Cell Responses to Haptens / Thomas Schwarz, Stefan Beissert and Agatha Schwarz -- 12. Dendritic Cells As a Target for Therapeutic Intervention of Contact Hypersensitivity / Akira Takashima [and others] -- 13. Evidence-Based Answers to Clinical Questions in Allergic Contact Dermatitis / Whitney A. High and Ponciano D. Cruz.