The topic is about content distribution in disruption tolerantnetworks. In such complex networks, get an optimized distributionof the content became crucial for all applications. The content canbe video, image, sound, text or any kind of data. The idea is tomitigate the constraints included in this kind of variable andopportunistic contact providing a best content distribution. This book discusses a new manner to achieve content distributionor delivery in opportunistic networks. It is common to face theproblem of content distribution only in the network way, improvingthroughput or routing. The idea exploited in this book is how toachieve a statistical reliability in DTNs? informationdelivery. Challenges and research directions are presented.