(1) For which grades have mathematics and science supplementary textbooks been developed in partnership with the Shuttleworth Foundation; (2) whether full quality assurance and assessment of compliance with the Curriculum and Assessment Policy Standard have been carried out with regard to the specified books; if not, why not; if so, what (a)(i) is the name, (ii) are the qualifications and (iii) are the credentials of each specified assessor and (b) were the findings of the assessment; (3) whether she intends to replace all other mathematics and science textbooks that are currently in use with the textbooks that have been developed in partnership with the Shuttleworth Foundation; if not, what is the position in this regard; if so, what are the relevant details?