The YA list is:
Pizarro and the Pirates, by Nadia Al Shehri
Extraordinary Journeys to Unknown Places, by Sonia Nimr
One Year in Qena, by Hadil Ghoneim
Hawk Eye Mystery, by Taghreed al-Najjar
The Night of Fire, by Yacoub el-Sharouny
I looked for links to these books high and low and near and far, but struck out, out, out. Let me know if the comments if you have any luck.
For more information and the other category lists, see this press release.