The Gandhara Hindko Academy (GHA) has published a book that has the "charbaitas" or special form of poetry of great Hindko mystic poet Sain Ghulam Deen Hazarvi.
The 130-page publication, "Hindko Charbaitay Dey Rango Rang Nadarey" is the extensive research by a distinguished writer, poet and scholar of Hindko language from Abbottabad Haider Zaman Haider. This book was first published in 1980.