| title | ISBN-13 | year of publication |
|---|---|---|
| 401k Answer Book, 2016 Edition | 978-1-4548-5600-9 | 2015 |
| 401(k) Answer Book, 2017 Edition | 978-1-4548-7109-5 | 2016 |
| 401k Answer Book, 2018 Edition | 978-1-4548-8359-3 | 2017 |
| 401(k) Answer Book, 2019 Edition | 978-1-4548-9951-8 | 2018 |