A special volume of Quaternary International, edited by Mathieu Duval et al. and focused on the Early-Middle Pleistocene transition, has now been published. It is based on the SQS-SACCOM-ESF sponsored meeting “The Early-Middle Pleistocene transition: significance of the Jaramillo Subchron in the sedimentary record” held in Burgos, Spain, 2013. The 18 contributions are now available here.