Prince Mishaal bin Abdulaziz, Chief of the Allegiance- Pledge Commission, received at his palace in Irqa on the outskirts of Riyadh city today Saudi Arabia's 10-year old youngest female inventor and author Rada Ibrahim Al-Khilaifi as recognized by a specialist Switzerland-based international committee. Inventions presented by Rada amounted to seven with three published books, qualifying her to become her country's youngest ever inventor and author simultaneously. During the audience, Prince Mishaal bin Abdulaziz lauded Rada's achievements and urged her for more production. He also hailed her family, particularly her brother who accompanied her at the audience, for the good care and courage extended to Rada, urging other families in the Kingdom to follow suit with their children to further contribute to the renaissance of their country under the umbrella of care and comfort provided to them by the government of the Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz Al Saud.