Endless Blue ISBN:1-4165-7385-2, $25.00 Hardcover (December 2007) ISBN:1-4391-3271-2, $7.99 Paperback (June 2009) DOI:1416573852, $6.00 eBook (December 2007) Wolf Who Rules ISBN:1-4165-2055-4, $25.00 Hardcover (April 2006) ISBN:1-4165-7381-X, $7.99 Paperback (November 2007) DOI:1416520554, $6.00 eBook (April 2006) Tinker ISBN:0-7434-7165-2, $24.00 Hardcover (November 2003) ISBN:0-7434-9871-2, $6.99 Paperback (December 2004) DOI:0743471652, $5.00 eBook (October 2003)