Firefly Summer, , Simon & Schuster Books for Young Readers, Morgan Matson,Family/Stepfamilies,JUVENILE FICTION, summer camp care package; lightning bugs; sleepaway camp; poconos; large families; funny cousins; siblings; grief; dead mother; lake; estranged; intergenerational; multigenerational; complicated history; blended family; identity; eccentric; treasure hunt; summer; the unexpected; reconciliation; heartwarming; close-knit family clan; atmospheric; treasure map; family secrets; family bonding; mystery; adventure; middle grade novel for 8 9 10 11 12 year olds grades 3 4 5 6 7; books for girls; bestseller; take me home tonight; save the date; amy & roger's epic detour; since you've been gone; the unexpected everything; penderwicks; vanderbeekers;,, , United States, en-UShttps://www.simonandschuster.comsummer camp care package; lightning bugs; sleepaway camp; poconos; large families; funny cousins; siblings; grief; dead mother; lake; estranged; intergenerational; multigenerational; complicated history; blended family; identity; eccentric; treasure hunt; summer; the unexpected; reconciliation; heartwarming; close-knit family clan; atmospheric; treasure map; family secrets; family bonding; mystery; adventure; middle grade novel for 8 9 10 11 12 year olds grades 3 4 5 6 7; books for girls; bestseller; take me home tonight; save the date; amy & roger's epic detour; since you've been gone; the unexpected everything; penderwicks; vanderbeekers;, [BLURB],[CITY],New York,books, ebooks, biblet, Book2look