<p>Preface.- 1.M. Baake, M. Birkner and U. Grimm: <i>Non-Periodic Systems with Continuous Diffraction Measures</i>.- 2.S. Akiyama, M. Barge, V. Berthé, J.-Y. Lee and A. Siegel: <i>On the Pisot Substitution Conjecture</i>.- 3. L. Sadun: <i>Cohomology of Hierarchical Tilings</i>.- 4.J. Hunton: <i>Spaces of Projection Method Patterns and their Cohomology</i>.- 5.J.-B. Aujogue, M. Barge, J. Kellendonk, D. Lenz: <i>Equicontinuous Factors, Proximality and Ellis Semigroup for Delone Sets</i>.- 6.J. Aliste-Prieto, D. Coronel, M.I. Cortez, F. Durand and S. Petite: <i>Linearly Repetitive Delone Sets</i>.- 7.N. Priebe Frank: <i>Tilings with Infinite Local Complexity</i>.- 8. A.Julien, J. Kellendonk and J. Savinien: <i>On the Noncommutative Geometry of Tilings</i>.- 9.D. Damanik, M. Embree and A. Gorodetski: <i>Spectral Properties of Schrödinger Operators Arising in the Study of Quasicrystals</i>.- 10.S. Puzynina and L.Q. Zamboni: <i>Additive Properties of Sets and Substitutive Dynamics</i>.- 11.J.V. Bellissard: <i>Delone Sets and Material Science: a Program</i>.</p>