The web is a book with many secret pages written in invisible inks, a mountain full of caves where ancient scrolls lie hidden in shadows, a city where nobody knows everybody but everybody knows somebody. Recent successful quests were for If, Olaf I, Heike Kamerlingh Onnes, Geoffrey Chaucer, Lord Kelvin, Pertinax, Arthur Schopenhauer, four, Past, Jal l ad-D n Mu ammad R m, Bai Juyi and Paul Nipkow. Various criteria can optionally be selected to finetune a search and speed up the arrival at the desired discovery. What might our visitors be looking for today?