Siddur Tephilah [prayers for weekdays, Sabbath, Rosh Chodesh, Purim and Fast days]. According to Karaite rite

The introduction records that the liturgical texts the Karaite community of Egypt had utilized until now were lengthy and cumbersome, creating much confusion, especially among the youth. Therefore, the Karaite Beth Din consented to the publication of this new and abbreviated version of the Karaite prayers, “helpful both to the seasoned Hazzan, but especially to the students of our school.”