Introduces articles in the volume 10 issue of the 'Parallel Processing Letters'. Hypergraphs of bounded edge size by E. Boros, K. Elbassioni, V. Gurvich and L. Khachiyan; J. Blazewick, F. Gunand, B. Penz and D. Trystram's article on the algorithm that builds optimal schedules for complete in-trees on two uniform processors; Miriam Di Ianni's article on the wormhole deadlock and livelock prediction.