TuneIn Logo
Charlesbridge Publishing
Premium Audiobooks
Big Test
As her students grow increasingly anxious about the Big Test, Mrs. Hartwell realizes she has to teach the most valuable test-taking skill of all: learning to relax! Author - Julie Danneberg. Narrator - Various Narrators. Published Date - Wednesday, 28...
First Day Jitters
Will they like me? Will I make new friends? What if I don't like it? Follow Sarah Jane Hartwell as she tries to get up the courage to go to her first day at a new school. But things may not be quite what they seem! Author - Julie Danneberg. Narrator -...
Last Day Blues
Sarah Jane Hartwell and her class are back, and the kids are looking forward to the last week of school before summer vacation. Worried that Mrs. Hartwell will miss them, the students make a plan to cheer her up. In a surprise ending, Mrs. Hartwell...
Sir Cumference and All the King's Tens
Sir Cumference and Lady Di have to figure out a quick way to count the guests to bring order to the party. Author - Cindy Neuschwander. Narrator - Various Narrators. Published Date - Wednesday, 28 January 2026.
Sir Cumference and the Dragon of Pi
Sir Cumference, Lady Di of Amter, and Radius are back in their second Math Adventure! This time, a potion has changed Sir Cumference into a fire-breathing dragon. Can Radius change him back? Join Radius on his quest through the castle to solve a...
Sir Cumference and the First Round Table
King Arthur and his knights use different geometry concepts to solve various problems. Author - Cindy Neuschwander. Narrator - Various Narrators. Published Date - Wednesday, 28 January 2026.
Sir Cumference and the Great Knight of Angleland
On a quest to earn his knighthood, Radius uses different geometry concepts to find and rescue a missing king. Author - Cindy Neuschwander. Narrator - Various Narrators. Published Date - Wednesday, 28 January 2026.
Sir Cumference and the Isle of Immeter
When young Per visits her uncle Sir Cumference, aunt Lady Di of Ameter, and her cousin Radius, they teach her how to play Inners and Edges. After Per finds a clue linking the game to the mysterious castle of the Countess Areana, she and Radius sail to...
Sir Cumference and the Sword in the Cone
King Arthur has issued a challenge. The first knight to find the sword, Edgecalibur, will be the next king. Sir Cumference, Lady Di of Ameter, and Radius help their friend, Vertex, find the sword. Author - Cindy Neuschwander. Narrator - Various...
Sir Cumference and the Viking's Map
The seventh title in the popular Sir Cumference series introduces the mathematical concept of coordinate geometry in a unique and memorable way. Author - Cindy Neuschwander. Narrator - Various Narrators. Published Date - Wednesday, 28 January 2026.
