Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Series Sorted | Title | Author | Featuring | Released |
| --- | --- | --- | --- | --- |
| 4S/A | Destination: Nerva | Nicholas Briggs Category:Articles with hCards | Leela | January 2012 |
| 4S/B | The Renaissance Man | Justin Richards Category:Articles with hCards | Leela | February 2012 |
| 4S/C | The Wrath of the Iceni | John Dorney Category:Articles with hCards | Leela | March 2012 |
| 4S/D | Energy of the Daleks | Nicholas Briggs Category:Articles with hCards | Leela, Daleks | April 2012 |
| 4S/E | Trail of the White Worm Part 1 | Alan Barnes Category:Articles with hCards | Leela, The Master | May 2012 |
| 4S/F | The Oseidon Adventure Part 2 | Alan Barnes Category:Articles with hCards | Leela, The Master, Kraals | June 2012 |
Question:
who is the author when featuring is leela, the master, kraals?
Answer:
Alan Barnes Category:Articles with hCards