| Volume | Location | Call Number | Note | Status |
|---|
| Albany Co. - Centennial Branch - Juvenile Fiction | J FICTION RIORDAN | | Checked out |
| Albany Co. - Rock River Branch - Juvenile Fiction | J RIORDAN, RICK | | On Shelf |
| Albany Co. Bookmobile - Juvenile Fiction | J FICTION RIORDAN | | On Shelf |
| Albany Co. Public Library - Juvenile Fiction | J FICTION RIORDAN | | Checked out |
| Albany Co. Public Library - Juvenile Fiction | J FICTION RIORDAN | | On Shelf |
| Big Horn Co. - Greybull Branch - Young Adult Fiction | YA RIO BK.1 | | On Shelf |
| Big Horn Co. - Lovell Branch - Young Adult Collection | YA RIO #1 | | On Shelf |
| Big Horn Co. Library - Basin - Young Adult Fiction | YA RIO BK 1 | | On Shelf |
| CCL - Douglas - Young Adult Fiction | YA RIO | | On Shelf |
| CCL - Glenrock - Young Adult Fiction | YA RIO | | On Shelf |
| Campbell Co. - Wright Branch - Juvenile Fiction | J RIORDAN R. | | On Shelf |
| Campbell Co. Public Library - Juvenile Fiction | J RIORDAN R. | | On Shelf |
| Campbell Co. Public Library - Young Adult Collection | YA RIORDAN R. | | On Shelf |
| Carbon Co. Baggs Library - Young Adult Collection | YA RIORDAN | | On Shelf |
| Carbon Co. Elk Mountain Library - Young Adult Collection | YA RIORDAN | | On Shelf |
| Carbon Co. Encampment Library - Young Adult Collection | YA RIORDAN | | On Shelf |
| Carbon Co. Medicine Bow Library - Young Adult Collection | YA RIORDAN | | On Shelf |
| Carbon Co. Saratoga Library - Young Adult Collection | YA RIORDAN HEROES #1 | | On Shelf |
| Carbon Co. Sinclair Library - Young Adult Collection | YA RIORDAN | | On Shelf |
| Casper College Library - Young Adult Collection | YA FIC RIO | | On Shelf |
| Crook Co. - Hulett Branch - Young Adult Fiction | YA RIO | Heroes of Olympus #1 | On Shelf |
| Crook Co. - Moorcroft Branch - Young Adult Fiction | YA F HEROES #1 RIOR LARGE PRINT | | On Shelf |
| Crook Co. Library - Juvenile Fiction | J F RIO | | On Shelf |
| Elk Mountain Elementary - Main Collection | F RIO | | On Shelf |
| Encampment K-12 - Fiction | FIC RIO | | On Shelf |
| Fremont Co. - Dubois - Juvenile Fiction | J RIORDAN #1 | | On Shelf |
| Fremont Co. - Lander - Juvenile Collection | MG RIORD | | On Shelf |
| Fremont Co. - Lander - Juvenile Collection | MG RIORD | | On Shelf |
| Fremont School District - Dubois - Young Adult Fiction | YA RIORD #1 | | On Shelf |
| Fremont School District - Dubois - Young Adult Fiction | YA RIORD #1 | | On Shelf |
| Goshen Co. Library - Juvenile Fiction | J RIORDAN | | Checked out |
| H.E.M. Junior - Senior High School - Fiction | F RIO | | On Shelf |
| Hanna Elementary School - Main Collection | F RIO BK#1 | | On Shelf |
| Hot Springs Co. Library - Juvenile Fiction | Y FICTION RIORDAN | | Checked out |
| Hulett School Library - Young Adult Fiction | 5-8 RIO | | On Shelf |
| Johnson Co. - Kaycee Branch - Young Adult Collection | YA R 47 | | On Shelf |
| Johnson Co. Library - Being acquired by the library | YA R 47 | Heroes of the Olpmpus #1 | On Order |
| Johnson Co. Library - Young Adult Collection | YA R 47 | Heroes of the Olympus #1 | On Shelf |
| Laramie Co. Library - Bookmobile - Bookmobile | J FICTION RIORD, R LOS | | Checked out |
| Laramie Co. Library - Burns - Juvenile Collection | J FICTION RIORD,R LOS | | On Shelf |
| Laramie Co. Library - Cheyenne - Second Floor | J FICTION RIORD,R LOS | | Checked out |
| Laramie Co. Library - Cheyenne - Second Floor | J FICTION RIORD,R LOS | | Checked out |
| Laramie Co. Library - Cheyenne - Second Floor | J FICTION RIORD,R LOS | | Checked out |
| Laramie Co. Library - Cheyenne - Second Floor | J FICTION RIORD,R LOS | | Checked out |
| Laramie Co. Library - Pine Bluffs - Juvenile Collection | J FICTION RIORD, R LOS | | On Hold |
| Lincoln Co. - Cokeville Branch - Main collection | J RIORDAN | | On Shelf |
| Lincoln Co. - La Barge Branch - Main collection | J RIORDAN | | On Shelf |
| Lincoln Co. - Star Valley Branch - Main collection | J RIORDAN | | On Shelf |
| Lincoln Co. - Thayne Branch - Main collection | J RIORDAN | | Checked out |
| Lincoln Co. Library - Kemmerer - Main collection | J RIORDAN | | On Shelf |
| Medicine Bow Elementary - Main Collection | F RIO BK#1 | | On Shelf |
| Moorcroft Elementary School - Fiction | FIC RIO #1 2019 | | On Shelf |
| Moorcroft High School - Fiction | FIC RIO | | On Shelf |
| Moorcroft High School - Fiction | FIC RIO | | On Shelf |
| Natrona Co. - Bookmobile - Bookmobile | J RIORDAN | | On Shelf |
| Natrona Co. - Edgerton Branch - Main collection | YA RIORDAN | | On Shelf |
| Natrona Co. Public Library - Juvenile Fiction | J RIORDAN | | Checked out |
| Natrona Co. Public Library - Young Adult Collection | YA RIORDAN | | On Shelf |
| Natrona Co. Public Library - Young Adult Collection | YA RIORDAN | | Checked out |
| Niobrara Co. Library - Fiction | YA RIO | | On Shelf |
| Niobrara Co. Library - Storage. See librarian for assistance. | YA RIO | | See Staff |
| Platte Co. - Guernsey Branch - Juvenile Fiction | J RIO HO1 | | On Shelf |
| Platte Co. Library - Juvenile Collection | J RIO HO01 | | On Shelf |
| Saratoga Elementary - Fiction | FIC RIO | | On Shelf |
| Sheridan Co. - Clearmont Branch - Young Adult Collection | YA F RIORDAN R | | On Shelf |
| Sheridan Co. - Fulmer Branch - Juvenile Fiction | J F RIORDAN R | | Checked out |
| Sheridan Co. - Story Branch - Juvenile Fiction | J F RIORDAN R | | On Shelf |
| Sheridan Co. - Tongue River Branch - Young Adult Collection | YA F RIORDAN R | | On Shelf |
| Sheridan College Kooi Library - Fiction | FIC RIO BK.1 | | On Shelf |
| Sublette Co. - Big Piney Branch - Young Adult Collection | YA SF RIO | | On Shelf |
| Sublette Co. Library - Young Adult Collection | YA RIO #1 | | On Shelf |
| Sundance Secondary School - Fiction | FIC RIO 2010 | | On Shelf |
| Sweetwater Co. - Bairoil Branch - Young Adult Fiction | YA FIC RIOR | | On Shelf |
| Sweetwater Co. - Farson Branch - Young Adult Fiction | YA FIC RIOR | | On Shelf |
| Sweetwater Co. - Granger Branch - Young Adult Fiction | YA FIC RIOR | | On Shelf |
| Sweetwater Co. - Green River - Juvenile Fiction | J FIC RIOR | | On Shelf |
| Sweetwater Co. - Green River - Juvenile Fiction | J FIC RIOR | | On Shelf |
| Sweetwater Co. - Reliance Branch - Young Adult Fiction | YA FIC RIOR | | On Shelf |
| Sweetwater Co. - Rock Springs Library - Juvenile Fiction | J FIC RIOR | | On Shelf |
| Sweetwater Co. - Superior Branch - Young Adult Fiction | YA FIC RIOR | | On Shelf |
| Sweetwater Co. - Wamsutter Branch - Young Adult Fiction | YA FIC RIOR | | On Shelf |
| Sweetwater Co. - White Mtn Library - Juvenile Fiction | J FIC RIOR | | Checked out |
| Teton Co. Library - Juvenile Fiction | J RIORDAN R | | On Shelf |
| Uinta Co. - Evanston - Juvenile Fiction | J RIORDAN | | On Shelf |
| Uinta Co. - Evanston - Storage. See librarian for assistance. | J RIORDAN | | See Staff |
| Uinta Co. - Lyman - Storage. See librarian for assistance. | YA RIORDAN | | See Staff |
| Uinta Co. - Lyman - Young Adult Fiction | YA RIORDAN | | On Shelf |
| Uinta Co. - Mtn View - Juvenile Fiction | YA RIORDAN | | On Shelf |
| Washakie Co. - Ten Sleep Branch - Young Adult Fiction | YA RIOR | | On Shelf |
| Washakie Co. Library - Young Adult Fiction | YA RIOR | | On Shelf |
| Weston Co. - Upton Branch - Young Adult Collection | YA FIC RIORDAN R | | On Shelf |
| Weston Co. Library - Juvenile Fiction | JFIC RIORDAN R | | On Shelf |
| V.1 | Fremont Co. - Riverton - Juvenile Collection | J RIORDAN V.1 | | Checked out |
