ATTRA just published a report: Aquaponics - Multitrophic Systems for Food Production. This Report introduces aquaponic systems, discusses economics and getting started, and includes an extensive list of resources that point the reader to print and online educational materials for further technical assistance. The Report is free to download here: http://bit.ly/2UckGKfATTRA is a sustainable agriculture program developed and managed by the National Center for Appropriate Technology.Aquaponics Association Chairman Brian Filipowich was interviewed by author Lee Rinehart to give background information for the Report. Check out the podcast recording: http://bit.ly/2Fgh1lW