The Special Issue is of interest not only to those who study the multimodal nature of communication, but also to those who seek new insights into psycholinguistic issues, using gesture as the "window" into the speaker's mind.

S. Kita, Cross-cultural Variation of Speech-accompanying Gesture: A Review. S. Stefanini, A. Bello, M.C. Caselli, J.M. Iverson, V. Volterra, Co-speech Gestures in a Naming Task: Developmental Data. S. iskan, S. Goldin-Meadow, When Gesture-speech Combinations Do and Do Not Index Linguistic Change. K. Sekine, Changes in Frame of Reference Use Across the Preschool Years: A Longitudinal Study of the Gestures and Speech Produced During Route Descriptions. F. Maricchiolo, A. Gnisci, M. Bonaiuto, G. Ficca, Effects of Different Types of Hand Gestures in Persuasive Speech on Receivers' Evaluations. J. Holler, K. Wilkin, Communicating Common Ground: How Mutually Shared Knowledge Influences Speech and Gesture in a Narrative Task. S. Casey, K. Emmorey, Co-speech Gesture in Bimodal Bilinguals. S. Kelly, T. McDevitt, M. Esch, Brief Training with Co-speech Gesture Lends a Hand to Word Learning in a Foreign Language.