Minister of Culture and Information Dr. Adel bin Zaid Altoraifi, congratulated the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud on the success of the Riyadh International Book Fair at its session this year 2016. Dr. Altoraifi attributed the success to the patronage of King Salman bin Abdulaziz Al Saud.