There are 4 books by Marianne O'Connell and Tom O'Connell on BookOrb. A strong starting point is Project 365 (2012). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Marianne O'Connell and Tom O'Connell written?
BookOrb lists 4 books by Marianne O'Connell and Tom O'Connell.
Where should I start with Marianne O'Connell and Tom O'Connell?
A good starting point is Project 365 (2012).
What is the Marianne O'Connell and Tom O'Connell books in order list?
In publication order: 1. Project 365 (2012), 2. Best of Skippy (2012), 3. Hip Trips (2012), 4. From Merry Christmas to Happy Holidays (2012).