Head First Series is a 44-book series with 44 released primary works first released in 2003 with contributions by Dawn Griffiths, David Griffiths, Дон Гриффитс, Дэвид Гриффитс, Kathy Sierra, Bert Bates, Eric Freeman, Elisabeth Robson, Bryan Basham, Эрик Фримен and 31 others.