Sign In
Literary Agents

Ms. Johanna Castillo

Writers House

21 West 26th Street

New York, NY 10010



E-Mail: To protect agents from spam, email addresses are hidden except to logged-in members. Join Now

Website: writershouse.com

Blog: www.publishersmarketplace.com/members/JohannaCastillo/

Twitter: jcastillobooks

AAR Member: No

Accepts Queries Via...

Snail-Mail: No

E-Mail: Yes

Online Form: No

Learn more about this agent, including:

  • Genres of Interest
  • Typical Response Times
  • Best Query Methods


Become a QueryTracker Member (Free)

Query Guidelines

Send your query letter and the first 5 pages (or up to the first chapter) of your manuscript in the body of an e-mail (no attachments, please)

Leave comments about your experiences with this literary agent, or read what other authors have to say.

from Patrick (admin)
Oct 13, 2020 6:16 am


Profile Update: Open to queries.
from pljarizona
Sep 22, 2020 3:54 pm


EQ 9/22/20 Historical Fiction/Family Saga 92k (she reopened to submissions on 9/21/20)
from billybuttercup
Sep 01, 2020 1:06 pm


EQ: Feb 4/20
PR: Apr 13/20 via assistant, Erin Patterson (first 100 pages - sent same day)
FR: June 27/20 (sent same day)
ER: Sept 1/20 with meaningful feedback

Historical Fiction - 90K
from ReadWrite2020
Aug 11, 2020 9:41 am


EQ: 7-25-20

Adult RomCom 76K
from Zooks3
Aug 10, 2020 7:56 pm


5/27/20: EQ re: THE KNOTTED GUN - thriller/suspense
8/10/20: Form rejection
from Patrick (admin)
Aug 01, 2020 4:39 am


Profile Update: Closed to queries.
from swatithegeek
Jul 14, 2020 1:10 am


EQ: 04/22/20
ER: 07/09/20, form

Adult rom-com, 73k
from Writerkehr
Jul 13, 2020 1:13 pm


EQ: 7/13
RS 90K
from TPreece
Jun 15, 2020 4:01 pm


EQ 3/14/2020 contemporary YA romance 78K
Full request 3/18/2020 via her assistant Erin Patterson
Rejection w/ somewhat helpful comment 6/15/2020
from tnmoore84
Jun 09, 2020 5:35 pm


#PitMad- June 4, 2020
Query and PB MS submitted on 6/8/20
from Alyssareymorris
Jun 09, 2020 3:39 pm


#PitMad - June 5, 2020
Query and PB Manuscript - June 9, 2020
from howlsmovingcastle
Jun 05, 2020 4:32 pm


EQ: 5/7/2020
withdrew query; offer of rep from another agent 6/5/2020
from AC2020
May 12, 2020 12:55 pm


EQ 3/5/20
Partial requested 3/6/20 and sent same day
Full requested 5/12/20 and sent same day

Literary Historical Fiction 110K
from Debelisa
Apr 21, 2020 12:24 pm


She ultimately rejected my work--after a few months.
from edoyle02
Mar 18, 2020 7:23 am


EQ: 8/19/2019
Followed up: 11/4/2019
PR, from assistant (Wendy): 11/15/2019
Followed up: 12/18/2019
Full request, from Wendy: 12/20/2019
Followed up: 2/20/2020. Reply from a different assistant (Erin) said the manuscript is still under review.
3/2/2020 received email from Erin, requesting full manuscript. Confusion was eventually clarified, Erin assured it will be reviewed promptly.
3/18/2020: Form rejection on partial manuscript from Erin.

To read more comments about this agent, or to leave comments of your own, become a QueryTracker member.


Agent Reports.

QueryTracker Members can view the data gathered by all other members, organized into reports showing...

  • The Number of Queries Sent and Their Replies
  • Query Response Times
  • Most Popular Manuscript Word-Counts
  • Most Popular Genres
  • Historic Trends
  • And Much More