App­worth Media is an imprint of Caith­ness Mul­ti­me­dia Pub­lish­ing, Valle­jo, Cal­i­for­nia, USA, found­ed in 1994, a sole pro­pri­eter­ship of Joseph T. Sin­clair.

Loca­tion: San Fran­cis­co Bay Area

Pub­lish­er of dig­i­tal books for mobile phones, tablets, lap­tops, per­son­al com­put­ing devices, and tele­vi­sions, name­ly, books pro­vid­ing infor­ma­tion in the fields of dig­i­tal pho­tog­ra­phy, videog­ra­phy, and audio; per­son­al com­put­ing devices and soft­ware for per­son­al com­put­ing devices; invest­ment real estate and finance; out­door recre­ation and recre­ation­al trav­el; layper­son med­i­cine and law; and Inter­net use and com­merce.

Mem­ber: Bay Area Inde­pen­dent Pub­lish­ers Asso­ci­a­tion (BAIPA)