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This article is about the original novel. For the graphic novel, see Karen's Worst Day (Graphic Novel).

Karen's Worst Day is the third book of the Baby-Sitters Little Sister series.

Back Cover Summary[]

Karen is having a bad-luck day. Her favorite jeans are missing. There's no prize in the Crunch-O cereal box. And Boo-Boo the cat runs away from her!

Karen tries everything to make her day better. But her bad luck just won't go away. She even gets punished and sent to her room!

Poor Karen—will this be her worst day ever?

Summary[]

Characters in this book[]

Karen's Family

Kids and Teens

Adults

Places in this book[]

Trivia[]

  • The 2021 reprint was released July 6 2021, [1] with the spanish edition coming out on September 7, 2021 [2].
  • This is the only book to mention Harry's Brook, where Linny and Hannie plan to go to catch minnows and crayfish.
  • It's not mentioned which side of the family Uncle Lou and Aunt Ann are from; however, they are Andrew's godparents.
  • Pop culture references include: Mr. Ed and The Secret of NIMH.

Gallery[]

Baby-Sitters Little Sister Books
#1 Karen's Witch | #2 Karen's Roller Skates | #3 Karen's Worst Day | #4 Karen's Kittycat Club | #5 Karen's School Picture | #6 Karen's Little Sister | #7 Karen's Birthday | #8 Karen's Haircut | #9 Karen's Sleepover | #10 Karen's Grandmothers | #11 Karen's Prize | #12 Karen's Ghost | #13 Karen's Surprise | #14 Karen's New Year | #15 Karen's in Love | #16 Karen's Goldfish | #17 Karen's Brothers | #18 Karen's Home Run | #19 Karen's Good-bye | #20 Karen's Carnival | #21 Karen's New Teacher | #22 Karen's Little Witch | #23 Karen's Doll | #24 Karen's School Trip | #25 Karen's Pen Pal | #26 Karen's Ducklings | #27 Karen's Big Joke | #28 Karen's Tea Party | #29 Karen's Cartwheel | #30 Karen's Kittens | #31 Karen's Bully | #32 Karen's Pumpkin Patch | #33 Karen's Secret | #34 Karen's Snow Day | #35 Karen's Doll Hospital | #36 Karen's New Friend | #37 Karen's Tuba | #38 Karen's Big Lie | #39 Karen's Wedding | #40 Karen's Newspaper | #41 Karen's School | #42 Karen's Pizza Party | #43 Karen's Toothache | #44 Karen's Big Weekend | #45 Karen's Twin | #46 Karen's Baby-sitter | #47 Karen's Kite | #48 Karen's Two Families | #49 Karen's Stepmother | #50 Karen's Lucky Penny | #51 Karen's Big Top | #52 Karen's Mermaid | #53 Karen's School Bus | #54 Karen's Candy | #55 Karen's Magician | #56 Karen's Ice Skates | #57 Karen's School Mystery | #58 Karen's Ski Trip | #59 Karen's Leprechaun | #60 Karen's Pony | #61 Karen's Tattletale | #62 Karen's New Bike | #63 Karen's Movie | #64 Karen's Lemonade Stand | #65 Karen's Toys | #66 Karen's Monsters | #67 Karen's Turkey Day | #68 Karen's Angel | #69 Karen's Big Sister | #70 Karen's Grandad | #71 Karen's Island Adventure | #72 Karen's New Puppy | #73 Karen's Dinosaur | #74 Karen's Softball Mystery | #75 Karen's County Fair | #76 Karen's Magic Garden | #77 Karen's School Surprise | #78 Karen's Half Birthday | #79 Karen's Big Fight | #80 Karen's Christmas Tree | #81 Karen's Accident | #82 Karen's Secret Valentine | #83 Karen's Bunny | #84 Karen's Big Job | #85 Karen's Treasure | #86 Karen's Telephone Trouble | #87 Karen's Pony Camp | #88 Karen's Puppet Show | #89 Karen's Unicorn | #90 Karen's Haunted House | #91 Karen's Pilgrim | #92 Karen's Sleigh Ride | #93 Karen's Cooking Contest | #94 Karen's Snow Princess | #95 Karen's Promise | #96 Karen's Big Move | #97 Karen's Paper Route | #98 Karen's Fishing Trip | #99 Karen's Big City Mystery | #100 Karen's Book | #101 Karen's Chain Letter | #102 Karen's Black Cat | #103 Karen's Movie Star | #104 Karen's Christmas Carol | #105 Karen's Nanny | #106 Karen's President | #107 Karen's Copycat | #108 Karen's Field Day | #109 Karen's Show and Share | #110 Karen's Swim Meet | #111 Karen's Spy Mystery | #112 Karen's New Holiday | #113 Karen's Hurricane | #114 Karen's Chicken Pox | #115 Karen's Runaway Turkey | #116 Karen's Reindeer | #117 Karen's Mistake | #118 Karen's Figure Eight | #119 Karen's Yo-Yo | #120 Karen's Easter Parade | #121 Karen's Gift | #122 Karen's Cowboy | 8 x 2 = Sweet Sixteen
Super Specials

#1 Karen's Wish | #2 Karen's Plane Trip | #3 Karen's Mystery | #4 Karen, Hannie, and Nancy | #5 Karen's Baby | #6 Karen's Campout

Activity Books
Activity Books | Secret Diary | School Scrapbook | Summer Fill-In Book | Jump Rope Rhymes | Playground Games | Photo Scrapbook | Book of Laughs
Other Series

Baby-Sitters Club | Super Special | Portrait Collection | Readers' Request | Mystery | Super Mystery | Baby-sitters Club: Friends Forever | California Diaries | The Kids in Ms. Colman's Class

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