It's VERY complicated and confusing if you haven't read the first one.
The Battle of the Labyrinth is the fourth book of the Percy Jackson and the Olympians series written by Rick Riordan. The story tells of Annabeth Chase as she leads Tyson, Grover, Rachel, and Percy in a quest to find the inventor of the infamous Labyrinth when they discover its role in a dark plot against the camp by Kronos' Army.
IF YOU HAVEN"T READ THIS BOOK BEFORE SPOILER ALERT! DO NOT READ!!!
Pan dies. Percy has a dream that Daedulus's son dies because he made an invention that makes you fly, wings attached with wax. But his beloved son, Icarus, died because he fell and drowned.
The triangle is the mark of Daedulus and will bring you to his workshop.
