International Book Day By Summer Jacobs - May 10, 2017 Share on Facebook Tweet on Twitter Blouberg Campus principal Hannes van der Westhuysen dressed up as a pirate. Elkanah House celebrated International Book Day on April 26. This was the culmination of a week of activities which celebrated the power of language and the written word. 1 of 2 Blouberg Campus principal Hannes van der Westhuysen dressed up as a pirate. From left are head of primary schools Arthur Prestonas, Tyler Hunt, Sarah Lewis, Ethan Potipher, principal of Sunningdale Prep Pippa Sinclair and Jared Ball.