When did the second book, The Sea of Monsters, from the Percy Jackson series come out?
It came out in April 1, 2007.
2008
2008
2008
2012
2008
2012
2008
2021
2012
2009
2008
2021
2012
2007
2009
2008
2011
2012
2007
2010
2021
2009
2013
2008
2011
2012
2007
2010
2006
2009
2013
2008
2021
2011
2012
2007
2010
2006
2001
2009
2016
2013
2008
2014
2021
2011
2012
2003
2007
2010
1993
2006
1996
2001
2009
2016
2013
2008
2014
2011
2012
2003
2007
2010
2004
2021
1993
2006
1996
2001
2009
2016
2013
1995
2008
2014
1994
2005
2011
2012
2003
2007
2010
2004
1993
2006
1996
2001
2009
2016
2013
1995
2008
1998
2021
2014
2015
1994
1992
2005
2011
2012
2003
1997
2007
2010
1999
2004
2002
1993
2006
1996
2001
2009
2016
2013
1995
2008
1998
2019
2014
2015
1994
1992
2021
2005
2011
2012
2003
1997
2007
2010
1999
2004
2002
1993
2006
1996
2001
2009
2016
2013
1995
2008
2020
1998
2019
2014
2015
1994
1990
1992
1991
2005
2018
2011
2012
2003
1997
2007
2010
1999
2004
2000
2002
2021
1993
2006
1996
2001
2009
2016
2013
1995
2008
2020
1998
2019
2014
2015
1994
1990
1992
1991
2005
2004
2021
2021
2023
2021
2023
2023
2023
2022
2023
2022
2023
2022
2023
2022