Heidi Gardner
| Item | Date | Publisher | Price | Role |
|---|---|---|---|---|
| Batman: The Audio Adventures #1 (Francis Manapul Card Stock Cover) | Oct. 13, 2021 | DC Comics | $10.99 | Writer |
| Batman: The Audio Adventures #1 (Dave Johnson Cover) | Oct. 13, 2021 | DC Comics | $9.99 | Writer |
| Item | Date | Publisher | Price | Role |
|---|---|---|---|---|
| Batman: The Audio Adventures #1 (Francis Manapul Card Stock Cover) | Oct. 13, 2021 | DC Comics | $10.99 | Writer |
| Batman: The Audio Adventures #1 (Dave Johnson Cover) | Oct. 13, 2021 | DC Comics | $9.99 | Writer |