Table:
0
A
B
C
D
E
F
G
1
Title
Author
Reader
Format
Company
Release Date
Notes
2
The Glittering Storm
Cole, Stephen Stephen Cole
Sladen, Elisabeth Elisabeth Sladen
CD
BBC Audio
2007-11-05 5 November 2007
An original audiobook, not published in book form.
3
The Thirteenth Stone
Richards, Justin Justin Richards
Sladen, Elisabeth Elisabeth Sladen
CD
BBC Audio
2007-11-05 5 November 2007
An original audiobook, not published in book form.
4
The Time Capsule
Anghelides, Peter Peter Anghelides
Sladen, Elisabeth Elisabeth Sladen
CD
BBC Audio
2008-11-13 13 November 2008
An original audiobook, not published in book form.
5
The Ghost House
Cole, Stephen Stephen Cole
Sladen, Elisabeth Elisabeth Sladen
CD
BBC Audio
2008-11-13 13 November 2008
An original audiobook, not published in book form.
6
The White Wolf
Russell, Gary Gary Russell
Sladen, Elisabeth Elisabeth Sladen
CD
BBC Audio
2009-09-03 3 September 2009
An original audiobook, not published in book form.
7
The Shadow People
Handcock, Scott Scott Handcock
Sladen, Elisabeth Elisabeth Sladen
CD
BBC Audio
2009-09-03 3 September 2009
An original audiobook, not published in book form.
8
Deadly Download
Arnopp, Jason Jason Arnopp
Sladen, Elisabeth Elisabeth Sladen
CD
BBC Audio
2010-11-04 4 November 2010
An original audiobook, not published in book form.
9
Children of Steel
Day, Martin Martin Day
Anthony, Daniel Daniel Anthony
CD
BBC Audio
2011-10-06 6 October 2011
An original audiobook, not published in book form.

Questions and formulas:
Question: who is the reader of the audiobook authored by cole, stephen stephen cole and released on 2008-11-13 13 november 2008
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(B1="Cole, Stephen Stephen Cole")*(F1="2008-11-13 13 November 2008")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G9,(B2:B9="Cole, Stephen Stephen Cole")*(F2:F9="2008-11-13 13 November 2008")),3))
Level: medium
Question: how many companies released an audiobook titled deadly download
Formula: ROWS(UNIQUE(FILTER(E1, A1="Deadly Download")))
Formula2: ROWS(UNIQUE(FILTER(E2:E9, A2:A9="Deadly Download")))
Level: medium
Question: which companies released on 2010-11-04 4 november 2010
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1="2010-11-04 4 November 2010"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G9,F2:F9="2010-11-04 4 November 2010"),5))
Level: medium
Question: which company released audiobooks authored by day, martin martin day
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="Day, Martin Martin Day"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G9,B2:B9="Day, Martin Martin Day"),5))
Level: medium
Question: how many formats of books authored by day, martin martin day
Formula: ROWS(UNIQUE(FILTER(D1, B1="Day, Martin Martin Day")))
Formula2: ROWS(UNIQUE(FILTER(D2:D9, B2:B9="Day, Martin Martin Day")))
Level: medium