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Karen's Half Birthday is the 78th book in the Baby-Sitters Little Sister series.

Back Cover Summary[]

Karen is the youngest in her class. Everyone teases her and calls her a baby. But soon Karen is going to turn seven and a half. She decides to throw herself a half birthday party.

Karen's friends think the party is a big pain. They do not like getting half-filled goody bags or playing games halfway. They think Karen is bossy. Now what is Karen going to do?

Summary[]

Characters in this book[]

Karen's Family

Kids

Adults

  • Ms. Colman
  • Mr. Mackey - art teacher
  • Mrs. Papadakis (mentioned)
  • Mrs. Dawes
  • Mr. Gianelli (mentioned)
  • Mr. and Mrs. Barnes (mentioned)

Places in this book[]

Trivia[]

  • Continuity: On page 7 Karen recalls when she and the kids in her neighborhood built a treehouse from Karen's New Puppy. On page 29, Karen mentions the toy sale from Karen's Softball Mystery.
  • Pop culture and real life references: Batman
  • Halloween is mentioned to be close in this book, it's likely that Karen's birthday is somewhere in April. In Karen's Book, this is consistent with her being born in spring.
  • Some Halloween costumes include: Nancy went as Little Red Riding Hood, Hannie has a leopard, Karen and Andrew as a dinosaur, and David Michael as Batman.
  • There's a new TV show called Friends and Company that everyone watches.
  • Some kids in Karen's class is already eight years old.
  • Karen and her friends are allowed going trick-or-treating by themselves.
  • It's unclear who is on the cover besides Karen.

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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