Paris is a cosmopolitan city where roaring life, wonderful museums and excellent science can be found. It was during the XI IUMS conference held in this city that the Pseudomonas book series was ?rst envisaged. On the ?rst row of the auditorium sat a group of outstanding scientists in the ?eld, who after devoting much of their valuable time, contributed in an exceptional manner to the ?rst three volumes of the series, which saw the light simultaneously. The volumes were grouped under the generic titles of "Vol. I. Pseudomonas: Genomics, Life Style and Molecular Architecture", Vol. II....