Go by the symbol on your statue here are the answers
Ahn - The Joy of Burnt Desert Food
"I'm here with extra charcoal for the caterers."

Ben - Sand Cuisine for Elephantes
"I'm here to prepare food for your Elephante workers."

Djo - Desert Petpets: A Cautionary Tale
"DID that Anubis get it's 15 minute break yet?"

Fer - Desert Survival Skills for the Dim-Witted "You guys should drink some more water before you get heat stroke."

Kar - Edible Desert Foliage Vol 9
"I'm the food specialist for your herbivorous workers."

Kha - Famous Sand Collections
"I don't have sand that color yet! Don't you know who I am?"

Lat - The Chemical Properties of Sand
"This sand contains traces of faeryllium. To the laboratory!"

Nem - Decorating With Sand - Winter Quarterly
"Have you thought about triple glazing you windows? Its fun and functional!"

Ra - Desert Tent Zoning Regulations
"That tent over there has insufficient ventilation. I'll have to write you a citation."

Saf - Ruki Population Survey Vol. 5
"I'm here with the Royal Census. Your not a Ruki. Get out of my way!"

Set - Royal Proclamations of Coltzan Vol. 13
"I know I'm late, but I'm here to deliver an important royal message."

Tep - History of the Sakhmet Dynasty Vol. 3
"I'm here to chronicle the construction of this repository."