Bill Roscoe, on his 60th Birthday -- A Tribute to Bill Roscoe, on the Occasion of his 60th Birthday -- Herding Cats, Oxford Style -- Stealthy Protocols: Metrics and Open Problems -- A Specification Theory of Real-Time Processes -- Towards Verification of Cyber-Physical Systems with UTP and Isabelle/HOL -- FDR: From Theory to Industrial Application -- Information Flow, Distributed Systems, and Refinement, by Example -- Abstractions for Transition Systems with Applications to Stubborn Sets -- A Hybrid Relational Modelling Language -- What Makes Petri Nets Harder to Verify: Stack or Data -- Analysing Lock-Free Linearizable Datatypes Using CSP -- Discrete Random Variables over Domains, Revisited -- A Demonic Lattice of Information -- A Brief History of Security Protocols -- More Stubborn Set Methods for Process Algebras -- A Branching Time Model of CSP -- Virtualization Based Development. .