HOLIDAY GEEK EXPO: Shop for the collector with vendor sales of dragons, comics, action figures and books. Also author and artist appearances. 10 a.m. today. Hallie Q. Brown Community Center, 270 N. Kent St., St. Paul.

JAN BRETT: “The Snowy Nap.” 10 a.m. today. Barnes & Noble, 425 Apache Dr., Rochester; 6 p.m. today. Roseville Library, 2180 N. Hamline Av., Roseville.

LEE SVITAK DEAN AND RICK NELSON: “The Great Minnesota Cookie Book.” 1 p.m. today. Magers & Quinn, 3038 Hennepin Av. S., Mpls.; noon next Sun. Grand Fete, 512 2nd St., Hudson, Wis.

DORIS RUBENSTEIN: “The Journey of a Dollar.” 2 p.m. today. Half Price Books, 8601 Springbrook Dr. NW., Coon Rapids.

CLAIRE WAHMANHOLM: “Wilder.” 6 p.m. Tue. Bell Museum of Natural History, University of Minnesota, 2088 W. Larpenteur Av., Falcon Heights.

SPIKE CARLSEN: “Building Unique and Useful Kids’ Furniture.” 6:30 p.m. Tue. Stillwater Library, 224 N. 3rd St., Stillwater.

WILL MCGRATH: “Everything Lost Is Found Again.” 7 p.m. Tue. Subtext, 6 W. 5th St., St. Paul.

DARCY MILLER: “Margot and Mateo Save the World.” 5 p.m. Thu. River Falls Library, 140 Union St., River Falls, Wis.

DAVID COGGINS: “Blue.” 5:30 p.m. Thu. Isles Studio, 1311 W. 25th St., Mpls.

JOSIE LEWIS: “The New Color Mixing Companion.” 6 p.m. Thu. ModernWell, 2909 S. Wayzata Blvd., Mpls.

ALLEN ESKENS: “The Shadows We Hide.” 6:30 p.m. Thu. Once Upon a Crime, 604 W. 26th St., Mpls.

DIANE JARVENPA AND LYNETTE REINI-GRANDELL: “The Way She Told Her Story” and “Wild Verge.” 7 p.m. Thu. Subtext Bookstore, 6 W. 5th St., St. Paul.

JUSTIN DRIVER: “The Schoolhouse Gate.” 7 p.m. Thu. Open Book, 1011 Washington Av. S., Mpls.

MIDSTREAM READING SERIES: With Patricia Barone, Marty Miller, Clarence White and Amy Salloway. 7:30 p.m. Thu. Blue Moon Coffee Cafe, 3822 E. Lake St., Mpls.

LAURA CHILDS: “Eggs on Ice.” Noon Sat. Once Upon a Crime, 604 W. 26th St., Mpls.

JOHN J. MORIARTY AND SIAH L. ST. CLAIR: “A Field Guide to the Natural World of the Twin Cities.” 1 p.m. Sat. Magers & Quinn, 3038 Hennepin Av. S., Mpls.

AMES SHELDON: “Eleanor’s Wars.” Noon next Sun. Chapter 2 Books, 226 Locust St., Hudson, Wis.