When the Aldens spend the summer riding on a train, they get to live in a train car once again - this time, they're staying in Caboose No. 777. The number is hard to forget, and indeed, the children meet people at each stop who seem to know it well. It turns out Caboose No. 777 has an unusual past - one that comes with its very own mystery!
- Available now
- Sweeten Up Your Holidays!
- New eBook additions
- Graphic Novels, Manga, and Superheroes!
- New kids additions
- New teen additions
- Most popular
- Try something different
- Resources for Libraries
- New Russian Language Books
- New Spanish Language Books
- "Se me enchina la piel" - Libros espantosos para adultos
- See all
- New audiobook additions
- Full-cast audio
- Great Audiobook Narrators!
- New teen additions
- New kids additions
- Available now
- Most popular
- Try something different
- See all
- Diverse Families
- Family Road Trip
- Reese Witherspoon's Book Club Reads
- The 100 Best Teen Books of All Time!
- Spies, Lies & Political Intrigue
- Great Adult Books for Teens!
- Transgender/nonbinary reads
- What's Next? Getting to a New Normal
- Twisty Psychological Thrillers
- Need a Laugh?
- Learn English
- African-American Romance
- Burnout: Signs, Symptoms and Strategies
- See all