2 books in series

The Echorium Sequence

The Echorium Sequence is a 2-book series with 2 released primary works first released in 1999 with contributions by Katherine Roberts.

#1
Song Quest

#1 of 2 in The Echorium Sequence

1999 • 4 Readers • 256 pages • 3.3

#2
The Crystal Mask

#2 of 2 in The Echorium Sequence

2001 • 1 Reader • 3