In 2022, A4 has resumed publishing its newsletter, A4 Update. The latest and previous editions can be viewed or downloaded from the pages below. Printer-friendly version A4 Updates 2023 A4 Updates 2022 A4 Updates 2010 A4 Updates 2009 A4 Updates 2008 A4 Updates 2007 A4 Updates 2002-06 Economic Costs of Autism Spectrum Disorder Book traversal links for Publications A4 Updates 2023 ›