Solve mysterious messages

Cruz Coronado attends the Explorer Academy, an exclusive school for explorers. But he's also on a global hunt for a secret formula that could reveal his hidden past. Luckily, his mother—who died in a mysterious lab accident—left him clues that could be decoded only by a cipher she designed just for him.

Check out the alphabet she created below and then use it to crack the second code below. Look carefully! The differences between the spirals are small.  

Use this cipher to crack the code.

Crack this code!