Found 6 books 
![[Billionaire 02] • The Emerald Casket](/cover/vvAmL0EARv6W81Dh/small/[Billionaire%2002]%20%e2%80%a2%20The%20Emerald%20Casket.jpg)
[en] [Billionaire 02] • The Emerald Casket Text Publishing Co
[en] The Mask of Destiny Text Publishing
![[Billionaire 05] • The House of Puzzles](/cover/Bg9Warsxet131fEX/small/[Billionaire%2005]%20%e2%80%a2%20The%20House%20of%20Puzzles.jpg)
[en] [Billionaire 05] • The House of Puzzles Text Publishing
![[Billionaire 06] • The Curiosity Machine](/cover/d0MN6FXlonkhKEsC/small/[Billionaire%2006]%20%e2%80%a2%20The%20Curiosity%20Machine.jpg)
[en] [Billionaire 06] • The Curiosity Machine Text Publishing
![[Billionaire 04] • The Crystal Code](/cover/1ABrC4oFHZeeWuqH/small/[Billionaire%2004]%20%e2%80%a2%20The%20Crystal%20Code.jpg)
[en] [Billionaire 04] • The Crystal Code Text Publishing
![[Billionaire 01] • The Billionaire's Curse](/cover/bVZzIdVC7R4Vpglh/small/[Billionaire%2001]%20%e2%80%a2%20The%20Billionaire%27s%20Curse.jpg)
[en] [Billionaire 01] • The Billionaire's Curse Walden Pond Press