cases that may arise under this law, the superintendent will be bound to take judicial notice of some things. For example, it is common knowledge that no history text is perfect either on its factual side, in its literary qualities, or in the author's perspective of events; that few writers display at all times perfect taste, and none perfect judgment, in their criticisms of men and their comments on historical actions and movements; that a given textbook may be valuable, despite minor defects in all of the above points, by reason of its superior arrangement, its psychological adaptation to children's needs, and the success with which it communicates to them the main features and the spirit of American history. He will also be obliged to rule that the truth is not malicious propaganda and he is bound to maintain an author's right to liberty of research.
It goes without saying that if a book is palpably and grossly inaccurate; if it gives the child a wholly erroneous view of history; if it is crassly censorious of America's great men; if it is written in a spirit tending to destroy American ideals; if it tends to make boys and girls ashamed of American character and achievements, not in exceptional instances here and there, but generally; then there would hardly be a question about the duty of getting rid of it with all convenient promptness. But would it not be strange if, with the superintendent and other educational experts on guard, such a book had got itself adopted? On general principles one would expect that only in the rarest cases would this law come into operation; for it ought not to be easy for a thoroughly unworthy book to elude the critical eyes of publishers, editors, school superintendents, teachers, and school boards, to be finally detected and exposed by some school patron or other private citizen. No doubt such cases are possible, but one could hardly conceive them to be of common occurrence. Misgivings are aroused, therefore, by the report that at the
