Collects Animal Man (DC, 1988 series) #10-17 and Secret Origins (DC, 1986 series) #39.
This is the second of 3 trade paperbacks that collect the complete Grant Morrison Animal Man run.
The first collection is Animal Man (DC, 1991 series) which collects Animal Man (DC, 1988 series) #1-9.
https://www.comics.org/issue/311039/The third collection is Animal Man: Deus Ex Machina (DC, 2003 series) which collects Animal Man #18-26.
https://www.comics.org/issue/355633/