Superman is hit with a prototype gravity device while trying to foil a heist at S.T.A.R. Labs, resulting in his increasing his mass so he can barely move!
- ISBN10 1406254029
- ISBN13 9781406254020
- Publish Date 10 August 2012
- Publish Status Out of Print
- Out of Print 3 March 2021
- Publish Country GB
- Publisher Pearson Education Limited
- Imprint Raintree Publishers
- Format Hardcover
- Pages 32
- Language English