| Location | Call Number | Note | Status |
|---|
| Acorn Public Library District - Juvenile Stacks | J FIC WILLEMS, M. | | On Shelf |
| Addison Public Library - 1st Floor - Children's Books | jFIC WILLEMS M. | | On Shelf |
| Alsip-Merrionette Park Public Library District - Juvenile Stacks | J ANIMALS WILLEMS | | On Shelf |
| Batavia Public Library District - Juvenile Fiction | J Willems, Mo | | Checked out |
| Bellwood Public Library - Juvenile Stacks | J WIL | | On Shelf |
| Bensenville Community Public Library District - Kids Early Chapter | Y WILLEMS | | On Shelf |
| Bensenville SD#2 - Johnson School - Fiction | WILLEMS (BLUESTEM 19) | | On Shelf |
| Bensenville SD#2 - Johnson School - Fiction | WILLEMS (BLUESTEM 19) | | On Shelf |
| Bensenville SD#2 - Johnson School - Fiction | WILLEMS (BLUESTEM 19) | | On Shelf |
| Bensenville SD#2 - Tioga School - Fiction | WILLEMS (BLUESTEM 19) | | On Shelf |
| Bensenville SD#2 - Tioga School - Fiction | WILLEMS (BLUESTEM 19) | | On Shelf |
| Bensenville SD#2 - Tioga School - Fiction | WILLEMS (BLUESTEM 19) | | On Shelf |
| Bensenville SD#2 - Tioga School - Fiction | WILLEMS (BLUESTEM 19) | | On Shelf |
| Berwyn Public Library - Juvenile Stacks | J CHAPTER BOOKS WILLEMS | | On Shelf |
| Bloomingdale Public Library - Juvenile Fiction | J F WIL | | On Shelf |
| Blue Island Public Library - Juvenile Stacks | JUV FIC WIL | | On Shelf |
| Bridgeview Public Library - Stacks | J WIL | | On Shelf |
| Broadview Public Library District - Juvenile Stacks | J FIC WIL | | On Shelf |
| Carol Stream Public Library - Beginning Chapter Books | J BCB/WILLEMS M | | On Shelf |
| Carol Stream Public Library - Beginning Chapter Books | J BCB/WILLEMS M | | On Shelf |
| Chicago Ridge Public Library - Juvenile Stacks | J WIL | | On Shelf |
| Chicago Ridge Public Library - Stacks | J WIL | | On Shelf |
| Cicero Public Library - Juvenile Stacks | CHBK E WILLEMS | | On Shelf |
| Clarendon Hills Public Library - Juvenile Stacks | J WILLEMS | | On Shelf |
| Clarendon Hills Public Library - Juvenile Stacks | J WILLEMS | | On Shelf |
| Crestwood Public Library District - Juvenile Stacks | J WIL | | On Shelf |
| Crete Public Library District - Youth Services Fiction | J WILLEMS, M. | | On Shelf |
| Dolton Public Library District - Juvenile Stacks | E WIL | | Checked out |
| Eisenhower Public Library District - Juvenile Stacks | J WILLEMS, M. | | On Shelf |
| Elmwood Park Public Library - Kids Fiction | K FICTION WILLEMS, M. | | Checked out |
| Evergreen Park Public Library - Juvenile Stacks | J WIL | | On Shelf |
| Flossmoor Public Library - Juvenile Stacks | J WIL | | On Shelf |
| Forest Park Public Library - Juvenile Stacks | J FIC WILLEMS | | On Shelf |
| Frankfort Public Library District - Juvenile Stacks | J FIC WILLEMS, M. CHAPTERS | | On Shelf |
| Franklin Park Library District - Kids Fiction | J WILLEMS | | On Shelf |
| Geneva Public Library District - Kids Fiction | JF WILLEMS | | On Shelf |
| Glen Ellyn Public Library - Juvenile Fiction | JFIC WILLEMS, MO | | On Shelf |
| Glen Ellyn Public Library - Juvenile Fiction | JFIC WILLEMS, MO | | On Shelf |
| Glen Ellyn Public Library - Juvenile Fiction | JFIC WILLEMS, MO | | On Shelf |
| Glenside Public Library District - Kids Chapter Books | JF Willems, M. | | On Shelf |
| Glenside Public Library District - Kids Chapter Books | JF Willems, M. | | On Shelf |
| Grande Prairie Public Library District - Juvenile Stacks | J FIC WIL | | On Shelf |
| Green Hills Public Library District - Juvenile Fiction | J WILLEMS, M. | | On Shelf |
| Hillside Public Library - Juvenile Stacks | J FIC WILLEMS | | On Shelf |
| Hinsdale Public Library - Juvenile Stacks | J WILLEMS | | On Shelf |
| Homewood Public Library District - Juvenile Stacks | J WIL | | On Shelf |
| Homewood Public Library District - Juvenile Stacks | J WIL | | On Shelf |
| Indian Prairie Public Library District - 2nd Floor - Kids & Teens | EARLY CHAPTER WILLEMS | | On Shelf |
| Indian Prairie Public Library District - 2nd Floor - Kids & Teens | EARLY CHAPTER WILLEMS | | On Shelf |
| Indian Prairie Public Library District - 2nd Floor - Kids & Teens | EARLY CHAPTER WILLEMS | | On Shelf |
| Itasca Community Library - Juvenile Fiction | J WIL | | On Shelf |
| Justice Public Library District - Juvenile Stacks | J WIL | | On Shelf |
| La Grange Park Public Library District - Lower Level | JE WILLEMS, M | | On Shelf |
| La Grange Public Library - Juvenile Stacks | J WILLEMS STEP UP | | On Shelf |
| Lansing Public Library - Beginning Chapter Books | J WIL | | On Shelf |
| Linda Sokol Francis Brookfield Library - Juvenile Stacks | J FIC WILLEMS | | Checked out |
| Matteson Area Public Library District - Juvenile Stacks | JUV FIC WILLEMS | | On Shelf |
| Maywood Public Library District - Juvenile Stacks | J WILLEMS | | On Shelf |
| Melrose Park Public Library - Juvenile Stacks | J FIC WIL | | On Shelf |
| Messenger Public Library of North Aurora - Juvenile Fiction | JF WILLEMS | | Checked out |
| Messenger Public Library of North Aurora - Kids & Teens Services Desk | JF WILLEMS | | On Shelf |
| Midlothian Public Library - Juvenile Stacks | JUV FIC WIL | | On Shelf |
| North Riverside Public Library District - Juvenile Stacks | J FIC WIL | | On Shelf |
| Northlake Public Library District - Juvenile Readers | J WIL READER PURPLE | | On Shelf |
| Oak Brook Public Library - Juvenile Fiction | J WILLEMS | | On Shelf |
| Oak Brook Public Library - Juvenile Fiction | J WILLEMS | | On Shelf |
| Oak Lawn Public Library - Juvenile Fiction | JUV FICTION WILLEMS | | On Shelf |
| Oak Park Public Library Dole Branch - Kids Early Chapter | J FICTION WILLEMS | | On Shelf |
| Oak Park Public Library Main Branch - Kids Early Chapter | J FICTION WILLEMS | | On Shelf |
| Oak Park Public Library Main Branch - Kids Early Chapter | J FICTION WILLEMS | | On Shelf |
| Oak Park Public Library Main Branch - Kids Early Chapter | J FICTION WILLEMS | | On Shelf |
| Oak Park Public Library Main Branch - Kids Early Chapter | J FICTION WILLEMS | | On Shelf |
| Oak Park Public Library Maze Branch - Kids Early Chapter | J FICTION WILLEMS | | On Shelf |
| Palos Heights Public Library - Juvenile Stacks | J FIC WIL | | On Shelf |
| Palos Park Public Library - Juvenile Stacks | J WILLEMS | | On Shelf |
| Prairie Trails Public Library District - Juvenile Stacks | J WIL | | On Shelf |
| Richton Park Public Library District - Juvenile Stacks | J EC WIL | | On Shelf |
| River Forest Public Library - Juvenile Stacks | J FIC WILLEMS | | On Shelf |
| River Grove Public Library District - Juvenile Stacks | J FIC WILLEMS | | On Shelf |
| Riverside Public Library - Juvenile Stacks | J WILLEMS | | On Shelf |
| Roselle Public Library District - Juvenile Fiction | J WIL | | On Shelf |
| Roselle Public Library District - Juvenile Fiction | J WIL | | On Shelf |
| Schiller Park Public Library - Juvenile Stacks | JUV FIC WILLEMS | | On Shelf |
| St. Charles Public Library District - Youth Services Fiction | J WILLEMS | | Checked out |
| Stickney-Forest View Public Library District - Juvenile Stacks | J WILLEMS | | On Shelf |
| Sugar Grove Public Library District - Juvenile Fiction | J FIC WILLEMS M | | On Shelf |
| Sugar Grove Public Library District - Juvenile Fiction | J FIC WILLEMS M | 2019 Bluestem Nominee | On Shelf |
| Thomas Ford Memorial Library - Juvenile Stacks | JE WILLEMS | | On Shelf |
| Thornton Public Library - Juvenile Stacks | JUV (Y) WIL | | On Shelf |
| Tinley Park Public Library - 2nd Floor | J CHAPTER WILLEMS, MO | | On Shelf |
| Tinley Park Public Library - 2nd Floor | J CHAPTER WILLEMS, MO | | On Shelf |
| Tinley Park Public Library - 2nd Floor | J CHAPTER WILLEMS, MO | | On Shelf |
| Town and Country Public Library District - Beginning Chapter Books | BC WIL | | On Shelf |
| Villa Park Public Library - Chapter Books | JF WIL | | On Shelf |
| Warrenville Public Library District - Juvenile Fiction | J WILLEMS, MO | | On Shelf |
| Westchester Public Library - Juvenile Stacks | Y WIL | | On Shelf |
| Westchester Public Library - Juvenile Stacks | Y WIL | | On Shelf |
| Westmont Public Library - Youth 2nd Floor | J WILLEMS | | On Shelf |
| Wood Dale Public Library District - Juvenile Office Collection | WIL | | On Shelf |
| Wood Dale Public Library District - Juvenile Office Collection | WIL | | On Shelf |
| Wood Dale Public Library District - Juvenile Office Collection | WIL | | On Shelf |
| Wood Dale Public Library District - Juvenile Office Collection | WIL | | On Shelf |
| Wood Dale Public Library District - Youth Services Fiction | WIL | | On Shelf |
| Woodridge Public Library - Juvenile Fiction | J FICTION WILLEMS | | On Shelf |
| Woodridge Public Library - Juvenile Fiction | J FICTION WILLEMS | | On Shelf |
| Woodridge Public Library - Juvenile Fiction | J FICTION WILLEMS | | On Shelf |
| Woodridge Public Library - Juvenile Fiction | J FICTION WILLEMS | | On Shelf |
| Worth Public Library District - Juvenile Stacks | J FIC WIL | | On Shelf |
